81364518

素因数分解:

$2^1\times 3^2\times {\mathrm{227}}^1\times {\mathrm{19913}}^1$

素因数の和:20148

約数の個数: 24

約数和(自身を含む): 177075288

約数和(自身を除く): 95710770

約数列:

[1, 2, 3, 6, 9, 18, 227, 454, 681, 1362, 2043, 4086, 19913, 39826, 59739, 119478, 179217, 358434, 4520251, 9040502, 13560753, 27121506, 40682259, 81364518]

約数ペア:

[(1, 81364518), (2, 40682259), (3, 27121506), (6, 13560753), (9, 9040502), (18, 4520251), (227, 358434), (454, 179217), (681, 119478), (1362, 59739), (2043, 39826), (4086, 19913)]