20137531419

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{59377}}^1$

素因数の和:59521

約数の個数: 40

約数和(自身を含む): 31038068160

約数和(自身を除く): 10900536741

約数列:

[1, 3, 9, 27, 53, 79, 81, 159, 237, 477, 711, 1431, 2133, 4187, 4293, 6399, 12561, 37683, 59377, 113049, 178131, 339147, 534393, 1603179, 3146981, 4690783, 4809537, 9440943, 14072349, 28322829, 42217047, 84968487, 126651141, 248611499, 254905461, 379953423, 745834497, 2237503491, 6712510473, 20137531419]

約数ペア:

[(1, 20137531419), (3, 6712510473), (9, 2237503491), (27, 745834497), (53, 379953423), (79, 254905461), (81, 248611499), (159, 126651141), (237, 84968487), (477, 42217047), (711, 28322829), (1431, 14072349), (2133, 9440943), (4187, 4809537), (4293, 4690783), (6399, 3146981), (12561, 1603179), (37683, 534393), (59377, 339147), (113049, 178131)]