196209

素因数分解:

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

素因数の和:78

約数の個数: 24

約数和(自身を含む): 322080

約数和(自身を除く): 125871

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 169, 351, 387, 507, 559, 1161, 1521, 1677, 4563, 5031, 7267, 15093, 21801, 65403, 196209]

約数ペア:

[(1, 196209), (3, 65403), (9, 21801), (13, 15093), (27, 7267), (39, 5031), (43, 4563), (117, 1677), (129, 1521), (169, 1161), (351, 559), (387, 507)]