221130525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^2$

素因数の和:160

約数の個数: 108

約数和(自身を含む): 467185376

約数和(自身を除く): 246054851

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 59, 75, 77, 105, 121, 165, 175, 177, 231, 275, 295, 363, 385, 413, 525, 605, 649, 825, 847, 885, 1155, 1239, 1475, 1815, 1925, 1947, 2065, 2541, 3025, 3245, 3481, 4235, 4425, 4543, 5775, 6195, 7139, 9075, 9735, 10325, 10443, 12705, 13629, 16225, 17405, 21175, 21417, 22715, 24367, 30975, 35695, 38291, 48675, 49973, 52215, 63525, 68145, 73101, 87025, 107085, 113575, 114873, 121835, 149919, 178475, 191455, 249865, 261075, 268037, 340725, 365505, 421201, 535425, 574365, 609175, 749595, 804111, 957275, 1249325, 1263603, 1340185, 1827525, 2106005, 2871825, 2948407, 3747975, 4020555, 6318015, 6700925, 8845221, 10530025, 14742035, 20102775, 31590075, 44226105, 73710175, 221130525]

約数ペア:

[(1, 221130525), (3, 73710175), (5, 44226105), (7, 31590075), (11, 20102775), (15, 14742035), (21, 10530025), (25, 8845221), (33, 6700925), (35, 6318015), (55, 4020555), (59, 3747975), (75, 2948407), (77, 2871825), (105, 2106005), (121, 1827525), (165, 1340185), (175, 1263603), (177, 1249325), (231, 957275), (275, 804111), (295, 749595), (363, 609175), (385, 574365), (413, 535425), (525, 421201), (605, 365505), (649, 340725), (825, 268037), (847, 261075), (885, 249865), (1155, 191455), (1239, 178475), (1475, 149919), (1815, 121835), (1925, 114873), (1947, 113575), (2065, 107085), (2541, 87025), (3025, 73101), (3245, 68145), (3481, 63525), (4235, 52215), (4425, 49973), (4543, 48675), (5775, 38291), (6195, 35695), (7139, 30975), (9075, 24367), (9735, 22715), (10325, 21417), (10443, 21175), (12705, 17405), (13629, 16225)]