505188333

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{479761}}^1$

素因数の和:479786

約数の個数: 20

約数和(自身を含む): 812716828

約数和(自身を除く): 307528495

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 479761, 1439283, 4317849, 6236893, 12953547, 18710679, 38860641, 56132037, 168396111, 505188333]

約数ペア:

[(1, 505188333), (3, 168396111), (9, 56132037), (13, 38860641), (27, 18710679), (39, 12953547), (81, 6236893), (117, 4317849), (351, 1439283), (1053, 479761)]