401020977

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{137383}}^1$

素因数の和:137532

約数の個数: 16

約数和(自身を含む): 615480320

約数和(自身を除く): 214459343

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 137383, 412149, 961681, 2885043, 19096237, 57288711, 133673659, 401020977]

約数ペア:

[(1, 401020977), (3, 133673659), (7, 57288711), (21, 19096237), (139, 2885043), (417, 961681), (973, 412149), (2919, 137383)]