681515961

素因数分解:

$3^1\times 7^3\times {\mathrm{662309}}^1$

素因数の和:662333

約数の個数: 16

約数和(自身を含む): 1059696000

約数和(自身を除く): 378180039

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 662309, 1986927, 4636163, 13908489, 32453141, 97359423, 227171987, 681515961]

約数ペア:

[(1, 681515961), (3, 227171987), (7, 97359423), (21, 32453141), (49, 13908489), (147, 4636163), (343, 1986927), (1029, 662309)]