2220220977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{720617}}^1$

素因数の和:720712

約数の個数: 16

約数和(自身を含む): 3228368640

約数和(自身を除く): 1008147663

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 720617, 2161851, 9368021, 28104063, 56928743, 170786229, 740073659, 2220220977]

約数ペア:

[(1, 2220220977), (3, 740073659), (13, 170786229), (39, 56928743), (79, 28104063), (237, 9368021), (1027, 2161851), (3081, 720617)]