11991375

素因数分解:

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

素因数の和:71

約数の個数: 128

約数和(自身を含む): 26956800

約数和(自身を除く): 14965425

約数列:

[1, 3, 5, 9, 11, 15, 17, 19, 25, 27, 33, 45, 51, 55, 57, 75, 85, 95, 99, 125, 135, 153, 165, 171, 187, 209, 225, 255, 275, 285, 297, 323, 375, 425, 459, 475, 495, 513, 561, 627, 675, 765, 825, 855, 935, 969, 1045, 1125, 1275, 1375, 1425, 1485, 1615, 1683, 1881, 2125, 2295, 2375, 2475, 2565, 2805, 2907, 3135, 3375, 3553, 3825, 4125, 4275, 4675, 4845, 5049, 5225, 5643, 6375, 7125, 7425, 8075, 8415, 8721, 9405, 10659, 11475, 12375, 12825, 14025, 14535, 15675, 17765, 19125, 21375, 23375, 24225, 25245, 26125, 28215, 31977, 37125, 40375, 42075, 43605, 47025, 53295, 57375, 64125, 70125, 72675, 78375, 88825, 95931, 121125, 126225, 141075, 159885, 210375, 218025, 235125, 266475, 363375, 444125, 479655, 631125, 705375, 799425, 1090125, 1332375, 2398275, 3997125, 11991375]

約数ペア:

[(1, 11991375), (3, 3997125), (5, 2398275), (9, 1332375), (11, 1090125), (15, 799425), (17, 705375), (19, 631125), (25, 479655), (27, 444125), (33, 363375), (45, 266475), (51, 235125), (55, 218025), (57, 210375), (75, 159885), (85, 141075), (95, 126225), (99, 121125), (125, 95931), (135, 88825), (153, 78375), (165, 72675), (171, 70125), (187, 64125), (209, 57375), (225, 53295), (255, 47025), (275, 43605), (285, 42075), (297, 40375), (323, 37125), (375, 31977), (425, 28215), (459, 26125), (475, 25245), (495, 24225), (513, 23375), (561, 21375), (627, 19125), (675, 17765), (765, 15675), (825, 14535), (855, 14025), (935, 12825), (969, 12375), (1045, 11475), (1125, 10659), (1275, 9405), (1375, 8721), (1425, 8415), (1485, 8075), (1615, 7425), (1683, 7125), (1881, 6375), (2125, 5643), (2295, 5225), (2375, 5049), (2475, 4845), (2565, 4675), (2805, 4275), (2907, 4125), (3135, 3825), (3375, 3553)]