398702991

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{30757}}^1$

素因数の和:30938

約数の個数: 16

約数和(自身を含む): 553644000

約数和(自身を除く): 154941009

約数列:

[1, 3, 29, 87, 149, 447, 4321, 12963, 30757, 92271, 891953, 2675859, 4582793, 13748379, 132900997, 398702991]

約数ペア:

[(1, 398702991), (3, 132900997), (29, 13748379), (87, 4582793), (149, 2675859), (447, 891953), (4321, 92271), (12963, 30757)]