81380898

素因数分解:

$2^1\times 3^2\times {\mathrm{191}}^1\times {\mathrm{23671}}^1$

素因数の和:23870

約数の個数: 24

約数和(自身を含む): 177255936

約数和(自身を除く): 95875038

約数列:

[1, 2, 3, 6, 9, 18, 191, 382, 573, 1146, 1719, 3438, 23671, 47342, 71013, 142026, 213039, 426078, 4521161, 9042322, 13563483, 27126966, 40690449, 81380898]

約数ペア:

[(1, 81380898), (2, 40690449), (3, 27126966), (6, 13563483), (9, 9042322), (18, 4521161), (191, 426078), (382, 213039), (573, 142026), (1146, 71013), (1719, 47342), (3438, 23671)]