1242657

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:94

約数の個数: 36

約数和(自身を含む): 2093520

約数和(自身を除く): 850863

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 169, 171, 247, 387, 507, 559, 741, 817, 1521, 1677, 2223, 2451, 3211, 5031, 7267, 7353, 9633, 10621, 21801, 28899, 31863, 65403, 95589, 138073, 414219, 1242657]

約数ペア:

[(1, 1242657), (3, 414219), (9, 138073), (13, 95589), (19, 65403), (39, 31863), (43, 28899), (57, 21801), (117, 10621), (129, 9633), (169, 7353), (171, 7267), (247, 5031), (387, 3211), (507, 2451), (559, 2223), (741, 1677), (817, 1521)]