398667879

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{242057}}^1$

素因数の和:242127

約数の個数: 16

約数和(自身を含む): 600303840

約数和(自身を除く): 201635961

約数列:

[1, 3, 9, 27, 61, 183, 549, 1647, 242057, 726171, 2178513, 6535539, 14765477, 44296431, 132889293, 398667879]

約数ペア:

[(1, 398667879), (3, 132889293), (9, 44296431), (27, 14765477), (61, 6535539), (183, 2178513), (549, 726171), (1647, 242057)]