77497965

素因数分解:

$3^4\times 5^1\times {\mathrm{191353}}^1$

素因数の和:191370

約数の個数: 20

約数和(自身を含む): 138923004

約数和(自身を除く): 61425039

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 191353, 574059, 956765, 1722177, 2870295, 5166531, 8610885, 15499593, 25832655, 77497965]

約数ペア:

[(1, 77497965), (3, 25832655), (5, 15499593), (9, 8610885), (15, 5166531), (27, 2870295), (45, 1722177), (81, 956765), (135, 574059), (405, 191353)]