850239

素因数分解:

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

素因数の和:88

約数の個数: 24

約数和(自身を含む): 1361360

約数和(自身を除く): 511121

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 507, 559, 1521, 1677, 2197, 5031, 6591, 7267, 19773, 21801, 65403, 94471, 283413, 850239]

約数ペア:

[(1, 850239), (3, 283413), (9, 94471), (13, 65403), (39, 21801), (43, 19773), (117, 7267), (129, 6591), (169, 5031), (387, 2197), (507, 1677), (559, 1521)]