78279957

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{26437}}^1$

素因数の和:26497

約数の個数: 24

約数和(自身を含む): 131978496

約数和(自身を除く): 53698539

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 26437, 79311, 185059, 237933, 555177, 1242539, 1665531, 3727617, 8697773, 11182851, 26093319, 78279957]

約数ペア:

[(1, 78279957), (3, 26093319), (7, 11182851), (9, 8697773), (21, 3727617), (47, 1665531), (63, 1242539), (141, 555177), (329, 237933), (423, 185059), (987, 79311), (2961, 26437)]