72920821

素因数分解:

${\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 76728384

約数和(自身を除く): 3807563

約数列:

[1, 37, 107, 113, 163, 3959, 4181, 6031, 12091, 17441, 18419, 447367, 645317, 681503, 1970833, 72920821]

約数ペア:

[(1, 72920821), (37, 1970833), (107, 681503), (113, 645317), (163, 447367), (3959, 18419), (4181, 17441), (6031, 12091)]