239265

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 447720

約数和(自身を除く): 208455

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 409, 585, 1227, 2045, 3681, 5317, 6135, 15951, 18405, 26585, 47853, 79755, 239265]

約数ペア:

[(1, 239265), (3, 79755), (5, 47853), (9, 26585), (13, 18405), (15, 15951), (39, 6135), (45, 5317), (65, 3681), (117, 2045), (195, 1227), (409, 585)]