157216731

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{440383}}^1$

素因数の和:440410

約数の個数: 16

約数和(自身を含む): 253661184

約数和(自身を除く): 96444453

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 440383, 1321149, 3082681, 7486511, 9248043, 22459533, 52405577, 157216731]

約数ペア:

[(1, 157216731), (3, 52405577), (7, 22459533), (17, 9248043), (21, 7486511), (51, 3082681), (119, 1321149), (357, 440383)]