278330403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{51343}}^1$

素因数の和:51498

約数の個数: 16

約数和(自身を含む): 402536960

約数和(自身を除く): 124206557

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 51343, 154029, 667459, 2002377, 7136677, 21410031, 92776801, 278330403]

約数ペア:

[(1, 278330403), (3, 92776801), (13, 21410031), (39, 7136677), (139, 2002377), (417, 667459), (1807, 154029), (5421, 51343)]