470631

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 729344

約数和(自身を除く): 258713

約数列:

[1, 3, 7, 21, 73, 219, 307, 511, 921, 1533, 2149, 6447, 22411, 67233, 156877, 470631]

約数ペア:

[(1, 470631), (3, 156877), (7, 67233), (21, 22411), (73, 6447), (219, 2149), (307, 1533), (511, 921)]