1961577

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 20

約数和(自身を含む): 2985796

約数和(自身を除く): 1024219

約数列:

[1, 3, 9, 27, 61, 81, 183, 397, 549, 1191, 1647, 3573, 4941, 10719, 24217, 32157, 72651, 217953, 653859, 1961577]

約数ペア:

[(1, 1961577), (3, 653859), (9, 217953), (27, 72651), (61, 32157), (81, 24217), (183, 10719), (397, 4941), (549, 3573), (1191, 1647)]