67521025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 105977592

約数和(自身を除く): 38456567

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 101, 121, 143, 187, 221, 275, 325, 425, 505, 605, 715, 935, 1105, 1111, 1313, 1573, 1717, 2057, 2431, 2525, 3025, 3575, 4675, 5525, 5555, 6565, 7865, 8585, 10285, 12155, 12221, 14443, 18887, 22321, 26741, 27775, 32825, 39325, 42925, 51425, 60775, 61105, 72215, 94435, 111605, 133705, 158873, 207757, 245531, 305525, 361075, 472175, 558025, 668525, 794365, 1038785, 1227655, 2700841, 3971825, 5193925, 6138275, 13504205, 67521025]

約数ペア:

[(1, 67521025), (5, 13504205), (11, 6138275), (13, 5193925), (17, 3971825), (25, 2700841), (55, 1227655), (65, 1038785), (85, 794365), (101, 668525), (121, 558025), (143, 472175), (187, 361075), (221, 305525), (275, 245531), (325, 207757), (425, 158873), (505, 133705), (605, 111605), (715, 94435), (935, 72215), (1105, 61105), (1111, 60775), (1313, 51425), (1573, 42925), (1717, 39325), (2057, 32825), (2431, 27775), (2525, 26741), (3025, 22321), (3575, 18887), (4675, 14443), (5525, 12221), (5555, 12155), (6565, 10285), (7865, 8585)]