920871

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 24

約数和(自身を含む): 1557504

約数和(自身を除く): 636633

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 311, 329, 423, 933, 987, 2177, 2799, 2961, 6531, 14617, 19593, 43851, 102319, 131553, 306957, 920871]

約数ペア:

[(1, 920871), (3, 306957), (7, 131553), (9, 102319), (21, 43851), (47, 19593), (63, 14617), (141, 6531), (311, 2961), (329, 2799), (423, 2177), (933, 987)]