4490997

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 7047936

約数和(自身を除く): 2556939

約数列:

[1, 3, 7, 21, 49, 137, 147, 223, 411, 669, 959, 1561, 2877, 4683, 6713, 10927, 20139, 30551, 32781, 91653, 213857, 641571, 1496999, 4490997]

約数ペア:

[(1, 4490997), (3, 1496999), (7, 641571), (21, 213857), (49, 91653), (137, 32781), (147, 30551), (223, 20139), (411, 10927), (669, 6713), (959, 4683), (1561, 2877)]