16871265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8719}}^1$

素因数の和:8773

約数の個数: 24

約数和(自身を含む): 29927040

約数和(自身を除く): 13055775

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 8719, 26157, 43595, 78471, 130785, 374917, 392355, 1124751, 1874585, 3374253, 5623755, 16871265]

約数ペア:

[(1, 16871265), (3, 5623755), (5, 3374253), (9, 1874585), (15, 1124751), (43, 392355), (45, 374917), (129, 130785), (215, 78471), (387, 43595), (645, 26157), (1935, 8719)]