520923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 810768

約数和(自身を除く): 289845

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 361, 481, 703, 741, 1083, 1443, 2109, 4693, 9139, 13357, 14079, 27417, 40071, 173641, 520923]

約数ペア:

[(1, 520923), (3, 173641), (13, 40071), (19, 27417), (37, 14079), (39, 13357), (57, 9139), (111, 4693), (247, 2109), (361, 1443), (481, 1083), (703, 741)]