65705175

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 60

約数和(自身を含む): 123692976

約数和(自身を除く): 57987801

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 457, 639, 675, 1065, 1371, 1775, 1917, 2025, 2285, 3195, 4113, 5325, 5751, 6855, 9585, 11425, 12339, 15975, 20565, 28755, 32447, 34275, 37017, 47925, 61695, 97341, 102825, 143775, 162235, 185085, 292023, 308475, 486705, 811175, 876069, 925425, 1460115, 2433525, 2628207, 4380345, 7300575, 13141035, 21901725, 65705175]

約数ペア:

[(1, 65705175), (3, 21901725), (5, 13141035), (9, 7300575), (15, 4380345), (25, 2628207), (27, 2433525), (45, 1460115), (71, 925425), (75, 876069), (81, 811175), (135, 486705), (213, 308475), (225, 292023), (355, 185085), (405, 162235), (457, 143775), (639, 102825), (675, 97341), (1065, 61695), (1371, 47925), (1775, 37017), (1917, 34275), (2025, 32447), (2285, 28755), (3195, 20565), (4113, 15975), (5325, 12339), (5751, 11425), (6855, 9585)]