12345555

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{293}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 20201328

約数和(自身を除く): 7855773

約数列:

[1, 3, 5, 15, 53, 159, 265, 293, 795, 879, 1465, 2809, 4395, 8427, 14045, 15529, 42135, 46587, 77645, 232935, 823037, 2469111, 4115185, 12345555]

約数ペア:

[(1, 12345555), (3, 4115185), (5, 2469111), (15, 823037), (53, 232935), (159, 77645), (265, 46587), (293, 42135), (795, 15529), (879, 14045), (1465, 8427), (2809, 4395)]