80389521

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{809}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 118820520

約数和(自身を除く): 38430999

約数列:

[1, 3, 9, 61, 181, 183, 543, 549, 809, 1629, 2427, 7281, 11041, 33123, 49349, 99369, 146429, 148047, 439287, 444141, 1317861, 8932169, 26796507, 80389521]

約数ペア:

[(1, 80389521), (3, 26796507), (9, 8932169), (61, 1317861), (181, 444141), (183, 439287), (543, 148047), (549, 146429), (809, 99369), (1629, 49349), (2427, 33123), (7281, 11041)]