28825911

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 42981120

約数和(自身を除く): 14155209

約数列:

[1, 3, 9, 41, 123, 191, 369, 409, 573, 1227, 1719, 3681, 7831, 16769, 23493, 50307, 70479, 78119, 150921, 234357, 703071, 3202879, 9608637, 28825911]

約数ペア:

[(1, 28825911), (3, 9608637), (9, 3202879), (41, 703071), (123, 234357), (191, 150921), (369, 78119), (409, 70479), (573, 50307), (1227, 23493), (1719, 16769), (3681, 7831)]