27979875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 192

約数和(自身を含む): 70087680

約数和(自身を除く): 42107805

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 19, 21, 25, 33, 35, 45, 51, 55, 57, 63, 75, 77, 85, 95, 99, 105, 119, 125, 133, 153, 165, 171, 175, 187, 209, 225, 231, 255, 275, 285, 315, 323, 357, 375, 385, 399, 425, 475, 495, 525, 561, 595, 627, 665, 693, 765, 825, 855, 875, 935, 969, 1045, 1071, 1125, 1155, 1197, 1275, 1309, 1375, 1425, 1463, 1575, 1615, 1683, 1785, 1881, 1925, 1995, 2125, 2261, 2375, 2475, 2625, 2805, 2907, 2975, 3135, 3325, 3465, 3553, 3825, 3927, 4125, 4275, 4389, 4675, 4845, 5225, 5355, 5775, 5985, 6375, 6545, 6783, 7125, 7315, 7875, 8075, 8415, 8925, 9405, 9625, 9975, 10659, 11305, 11781, 12375, 13167, 14025, 14535, 14875, 15675, 16625, 17325, 17765, 19125, 19635, 20349, 21375, 21945, 23375, 24225, 24871, 26125, 26775, 28875, 29925, 31977, 32725, 33915, 36575, 40375, 42075, 44625, 47025, 49875, 53295, 56525, 58905, 65835, 70125, 72675, 74613, 78375, 86625, 88825, 98175, 101745, 109725, 121125, 124355, 133875, 149625, 159885, 163625, 169575, 182875, 210375, 223839, 235125, 266475, 282625, 294525, 329175, 363375, 373065, 444125, 490875, 508725, 548625, 621775, 799425, 847875, 1119195, 1332375, 1472625, 1645875, 1865325, 2543625, 3108875, 3997125, 5595975, 9326625, 27979875]

約数ペア:

[(1, 27979875), (3, 9326625), (5, 5595975), (7, 3997125), (9, 3108875), (11, 2543625), (15, 1865325), (17, 1645875), (19, 1472625), (21, 1332375), (25, 1119195), (33, 847875), (35, 799425), (45, 621775), (51, 548625), (55, 508725), (57, 490875), (63, 444125), (75, 373065), (77, 363375), (85, 329175), (95, 294525), (99, 282625), (105, 266475), (119, 235125), (125, 223839), (133, 210375), (153, 182875), (165, 169575), (171, 163625), (175, 159885), (187, 149625), (209, 133875), (225, 124355), (231, 121125), (255, 109725), (275, 101745), (285, 98175), (315, 88825), (323, 86625), (357, 78375), (375, 74613), (385, 72675), (399, 70125), (425, 65835), (475, 58905), (495, 56525), (525, 53295), (561, 49875), (595, 47025), (627, 44625), (665, 42075), (693, 40375), (765, 36575), (825, 33915), (855, 32725), (875, 31977), (935, 29925), (969, 28875), (1045, 26775), (1071, 26125), (1125, 24871), (1155, 24225), (1197, 23375), (1275, 21945), (1309, 21375), (1375, 20349), (1425, 19635), (1463, 19125), (1575, 17765), (1615, 17325), (1683, 16625), (1785, 15675), (1881, 14875), (1925, 14535), (1995, 14025), (2125, 13167), (2261, 12375), (2375, 11781), (2475, 11305), (2625, 10659), (2805, 9975), (2907, 9625), (2975, 9405), (3135, 8925), (3325, 8415), (3465, 8075), (3553, 7875), (3825, 7315), (3927, 7125), (4125, 6783), (4275, 6545), (4389, 6375), (4675, 5985), (4845, 5775), (5225, 5355)]