906521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 1154688

約数和(自身を除く): 248167

約数列:

[1, 7, 11, 61, 77, 193, 427, 671, 1351, 2123, 4697, 11773, 14861, 82411, 129503, 906521]

約数ペア:

[(1, 906521), (7, 129503), (11, 82411), (61, 14861), (77, 11773), (193, 4697), (427, 2123), (671, 1351)]