239811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:83

約数の個数: 24

約数和(自身を含む): 386496

約数和(自身を除く): 146685

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 169, 429, 473, 507, 559, 1419, 1677, 1859, 5577, 6149, 7267, 18447, 21801, 79937, 239811]

約数ペア:

[(1, 239811), (3, 79937), (11, 21801), (13, 18447), (33, 7267), (39, 6149), (43, 5577), (129, 1859), (143, 1677), (169, 1419), (429, 559), (473, 507)]