1298871

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 2190240

約数和(自身を除く): 891369

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 389, 477, 1113, 1167, 2723, 3339, 3501, 8169, 20617, 24507, 61851, 144319, 185553, 432957, 1298871]

約数ペア:

[(1, 1298871), (3, 432957), (7, 185553), (9, 144319), (21, 61851), (53, 24507), (63, 20617), (159, 8169), (371, 3501), (389, 3339), (477, 2723), (1113, 1167)]