81497647

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{17351}}^1$

素因数の和:17430

約数の個数: 16

約数和(自身を含む): 103279104

約数和(自身を除く): 21781457

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 17351, 121457, 190861, 1058411, 1336027, 7408877, 11642521, 81497647]

約数ペア:

[(1, 81497647), (7, 11642521), (11, 7408877), (61, 1336027), (77, 1058411), (427, 190861), (671, 121457), (4697, 17351)]