285297747

素因数分解:

$3^1\times 7^2\times {\mathrm{877}}^1\times {\mathrm{2213}}^1$

素因数の和:3107

約数の個数: 24

約数和(自身を含む): 443207376

約数和(自身を除く): 157909629

約数列:

[1, 3, 7, 21, 49, 147, 877, 2213, 2631, 6139, 6639, 15491, 18417, 42973, 46473, 108437, 128919, 325311, 1940801, 5822403, 13585607, 40756821, 95099249, 285297747]

約数ペア:

[(1, 285297747), (3, 95099249), (7, 40756821), (21, 13585607), (49, 5822403), (147, 1940801), (877, 325311), (2213, 128919), (2631, 108437), (6139, 46473), (6639, 42973), (15491, 18417)]