689309997

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{54877}}^1$

素因数の和:55012

約数の個数: 16

約数和(自身を含む): 948291840

約数和(自身を除く): 258981843

約数列:

[1, 3, 53, 79, 159, 237, 4187, 12561, 54877, 164631, 2908481, 4335283, 8725443, 13005849, 229769999, 689309997]

約数ペア:

[(1, 689309997), (3, 229769999), (53, 13005849), (79, 8725443), (159, 4335283), (237, 2908481), (4187, 164631), (12561, 54877)]