1688169

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4260

約数の個数: 16

約数和(自身を含む): 2708480

約数和(自身を除く): 1020311

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4231, 12693, 29617, 80389, 88851, 241167, 562723, 1688169]

約数ペア:

[(1, 1688169), (3, 562723), (7, 241167), (19, 88851), (21, 80389), (57, 29617), (133, 12693), (399, 4231)]