30981153

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77647}}^1$

素因数の和:77676

約数の個数: 16

約数和(自身を含む): 49694720

約数和(自身を除く): 18713567

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 77647, 232941, 543529, 1475293, 1630587, 4425879, 10327051, 30981153]

約数ペア:

[(1, 30981153), (3, 10327051), (7, 4425879), (19, 1630587), (21, 1475293), (57, 543529), (133, 232941), (399, 77647)]