12781665

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7283}}^1$

素因数の和:7310

約数の個数: 32

約数和(自身を含む): 24474240

約数和(自身を除く): 11692575

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 7283, 21849, 36415, 65547, 94679, 109245, 196641, 284037, 327735, 473395, 852111, 983205, 1420185, 2556333, 4260555, 12781665]

約数ペア:

[(1, 12781665), (3, 4260555), (5, 2556333), (9, 1420185), (13, 983205), (15, 852111), (27, 473395), (39, 327735), (45, 284037), (65, 196641), (117, 109245), (135, 94679), (195, 65547), (351, 36415), (585, 21849), (1755, 7283)]