831357531

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{3181}}^1$

素因数の和:3667

約数の個数: 24

約数和(自身を含む): 1221124320

約数和(自身を除く): 389766789

約数列:

[1, 3, 9, 71, 213, 409, 639, 1227, 3181, 3681, 9543, 28629, 29039, 87117, 225851, 261351, 677553, 1301029, 2032659, 3903087, 11709261, 92373059, 277119177, 831357531]

約数ペア:

[(1, 831357531), (3, 277119177), (9, 92373059), (71, 11709261), (213, 3903087), (409, 2032659), (639, 1301029), (1227, 677553), (3181, 261351), (3681, 225851), (9543, 87117), (28629, 29039)]