128212617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 190060416

約数和(自身を除く): 61847799

約数列:

[1, 3, 13, 39, 41, 123, 181, 443, 533, 543, 1329, 1599, 2353, 5759, 7059, 7421, 17277, 18163, 22263, 54489, 80183, 96473, 236119, 240549, 289419, 708357, 1042379, 3127137, 3287503, 9862509, 42737539, 128212617]

約数ペア:

[(1, 128212617), (3, 42737539), (13, 9862509), (39, 3287503), (41, 3127137), (123, 1042379), (181, 708357), (443, 289419), (533, 240549), (543, 236119), (1329, 96473), (1599, 80183), (2353, 54489), (5759, 22263), (7059, 18163), (7421, 17277)]