1640283525

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^2\times {\mathrm{13781}}^1$

素因数の和:13843

約数の個数: 54

約数和(自身を含む): 3071442738

約数和(自身を除く): 1431159213

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 529, 575, 1035, 1587, 1725, 2645, 4761, 5175, 7935, 13225, 13781, 23805, 39675, 41343, 68905, 119025, 124029, 206715, 316963, 344525, 620145, 950889, 1033575, 1584815, 2852667, 3100725, 4754445, 7290149, 7924075, 14263335, 21870447, 23772225, 36450745, 65611341, 71316675, 109352235, 182253725, 328056705, 546761175, 1640283525]

約数ペア:

[(1, 1640283525), (3, 546761175), (5, 328056705), (9, 182253725), (15, 109352235), (23, 71316675), (25, 65611341), (45, 36450745), (69, 23772225), (75, 21870447), (115, 14263335), (207, 7924075), (225, 7290149), (345, 4754445), (529, 3100725), (575, 2852667), (1035, 1584815), (1587, 1033575), (1725, 950889), (2645, 620145), (4761, 344525), (5175, 316963), (7935, 206715), (13225, 124029), (13781, 119025), (23805, 68905), (39675, 41343)]