28109169

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1085

約数の個数: 24

約数和(自身を含む): 44460000

約数和(自身を除く): 16350831

約数列:

[1, 3, 9, 11, 33, 99, 499, 569, 1497, 1707, 4491, 5121, 5489, 6259, 16467, 18777, 49401, 56331, 283931, 851793, 2555379, 3123241, 9369723, 28109169]

約数ペア:

[(1, 28109169), (3, 9369723), (9, 3123241), (11, 2555379), (33, 851793), (99, 283931), (499, 56331), (569, 49401), (1497, 18777), (1707, 16467), (4491, 6259), (5121, 5489)]