31352431

素因数分解:

${\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 5036369

約数列:

[1, 11, 37, 47, 121, 149, 407, 517, 1639, 1739, 4477, 5513, 5687, 7003, 18029, 19129, 60643, 77033, 210419, 259111, 667073, 847363, 2850221, 31352431]

約数ペア:

[(1, 31352431), (11, 2850221), (37, 847363), (47, 667073), (121, 259111), (149, 210419), (407, 77033), (517, 60643), (1639, 19129), (1739, 18029), (4477, 7003), (5513, 5687)]