72809639

素因数分解:

$7^3\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 86016000

約数和(自身を除く): 13206361

約数列:

[1, 7, 49, 79, 343, 553, 2687, 3871, 18809, 27097, 131663, 212273, 921641, 1485911, 10401377, 72809639]

約数ペア:

[(1, 72809639), (7, 10401377), (49, 1485911), (79, 921641), (343, 212273), (553, 131663), (2687, 27097), (3871, 18809)]