30894969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77431}}^1$

素因数の和:77460

約数の個数: 16

約数和(自身を含む): 49556480

約数和(自身を除く): 18661511

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 77431, 232293, 542017, 1471189, 1626051, 4413567, 10298323, 30894969]

約数ペア:

[(1, 30894969), (3, 10298323), (7, 4413567), (19, 1626051), (21, 1471189), (57, 542017), (133, 232293), (399, 77431)]