420328491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{208807}}^1$

素因数の和:208882

約数の個数: 16

約数和(自身を含む): 621412608

約数和(自身を除く): 201084117

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 208807, 626421, 2296877, 6890631, 12737227, 38211681, 140109497, 420328491]

約数ペア:

[(1, 420328491), (3, 140109497), (11, 38211681), (33, 12737227), (61, 6890631), (183, 2296877), (671, 626421), (2013, 208807)]