1561448161

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{350179}}^1$

素因数の和:350213

約数の個数: 16

約数和(自身を含む): 1961008000

約数和(自身を除く): 399559839

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 350179, 2451253, 4552327, 17158771, 31866289, 120111397, 223064023, 1561448161]

約数ペア:

[(1, 1561448161), (7, 223064023), (13, 120111397), (49, 31866289), (91, 17158771), (343, 4552327), (637, 2451253), (4459, 350179)]