81513939

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{3739}}^1$

素因数の和:3811

約数の個数: 24

約数和(自身を含む): 120457920

約数和(自身を除く): 38943981

約数列:

[1, 3, 13, 39, 43, 129, 169, 507, 559, 1677, 3739, 7267, 11217, 21801, 48607, 145821, 160777, 482331, 631891, 1895673, 2090101, 6270303, 27171313, 81513939]

約数ペア:

[(1, 81513939), (3, 27171313), (13, 6270303), (39, 2090101), (43, 1895673), (129, 631891), (169, 482331), (507, 160777), (559, 145821), (1677, 48607), (3739, 21801), (7267, 11217)]