156920985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{857}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 294197904

約数和(自身を除く): 137276919

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 313, 585, 857, 939, 1565, 2571, 2817, 4069, 4285, 4695, 7713, 11141, 12207, 12855, 14085, 20345, 33423, 36621, 38565, 55705, 61035, 100269, 167115, 183105, 268241, 501345, 804723, 1341205, 2414169, 3487133, 4023615, 10461399, 12070845, 17435665, 31384197, 52306995, 156920985]

約数ペア:

[(1, 156920985), (3, 52306995), (5, 31384197), (9, 17435665), (13, 12070845), (15, 10461399), (39, 4023615), (45, 3487133), (65, 2414169), (117, 1341205), (195, 804723), (313, 501345), (585, 268241), (857, 183105), (939, 167115), (1565, 100269), (2571, 61035), (2817, 55705), (4069, 38565), (4285, 36621), (4695, 33423), (7713, 20345), (11141, 14085), (12207, 12855)]