77771625

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 138018816

約数和(自身を除く): 60247191

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 125, 127, 213, 345, 355, 375, 381, 575, 635, 1065, 1633, 1725, 1775, 1905, 2875, 2921, 3175, 4899, 5325, 8165, 8625, 8763, 8875, 9017, 9525, 14605, 15875, 24495, 26625, 27051, 40825, 43815, 45085, 47625, 73025, 122475, 135255, 204125, 207391, 219075, 225425, 365125, 612375, 622173, 676275, 1036955, 1095375, 1127125, 3110865, 3381375, 5184775, 15554325, 25923875, 77771625]

約数ペア:

[(1, 77771625), (3, 25923875), (5, 15554325), (15, 5184775), (23, 3381375), (25, 3110865), (69, 1127125), (71, 1095375), (75, 1036955), (115, 676275), (125, 622173), (127, 612375), (213, 365125), (345, 225425), (355, 219075), (375, 207391), (381, 204125), (575, 135255), (635, 122475), (1065, 73025), (1633, 47625), (1725, 45085), (1775, 43815), (1905, 40825), (2875, 27051), (2921, 26625), (3175, 24495), (4899, 15875), (5325, 14605), (8165, 9525), (8625, 9017), (8763, 8875)]