61815875

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 87473568

約数和(自身を除く): 25657693

約数列:

[1, 5, 11, 25, 55, 61, 67, 121, 125, 275, 305, 335, 605, 671, 737, 1375, 1525, 1675, 3025, 3355, 3685, 4087, 7381, 7625, 8107, 8375, 15125, 16775, 18425, 20435, 36905, 40535, 44957, 83875, 92125, 102175, 184525, 202675, 224785, 494527, 510875, 922625, 1013375, 1123925, 2472635, 5619625, 12363175, 61815875]

約数ペア:

[(1, 61815875), (5, 12363175), (11, 5619625), (25, 2472635), (55, 1123925), (61, 1013375), (67, 922625), (121, 510875), (125, 494527), (275, 224785), (305, 202675), (335, 184525), (605, 102175), (671, 92125), (737, 83875), (1375, 44957), (1525, 40535), (1675, 36905), (3025, 20435), (3355, 18425), (3685, 16775), (4087, 15125), (7381, 8375), (7625, 8107)]