261057411

素因数分解:

$3^4\times {\mathrm{47}}^2\times {\mathrm{1459}}^1$

素因数の和:1565

約数の個数: 30

約数和(自身を含む): 398721620

約数和(自身を除く): 137664209

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 1459, 2209, 3807, 4377, 6627, 13131, 19881, 39393, 59643, 68573, 118179, 178929, 205719, 617157, 1851471, 3222931, 5554413, 9668793, 29006379, 87019137, 261057411]

約数ペア:

[(1, 261057411), (3, 87019137), (9, 29006379), (27, 9668793), (47, 5554413), (81, 3222931), (141, 1851471), (423, 617157), (1269, 205719), (1459, 178929), (2209, 118179), (3807, 68573), (4377, 59643), (6627, 39393), (13131, 19881)]