42521375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 57867264

約数和(自身を除く): 15345889

約数列:

[1, 5, 13, 25, 65, 125, 137, 191, 325, 685, 955, 1625, 1781, 2483, 3425, 4775, 8905, 12415, 17125, 23875, 26167, 44525, 62075, 130835, 222625, 310375, 340171, 654175, 1700855, 3270875, 8504275, 42521375]

約数ペア:

[(1, 42521375), (5, 8504275), (13, 3270875), (25, 1700855), (65, 654175), (125, 340171), (137, 310375), (191, 222625), (325, 130835), (685, 62075), (955, 44525), (1625, 26167), (1781, 23875), (2483, 17125), (3425, 12415), (4775, 8905)]