646760979

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{27397}}^1$

素因数の和:27507

約数の個数: 24

約数和(自身を含む): 971642672

約数和(自身を除く): 324881693

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 2623, 7869, 23607, 27397, 82191, 246573, 1178071, 1671217, 3534213, 5013651, 10602639, 15040953, 71862331, 215586993, 646760979]

約数ペア:

[(1, 646760979), (3, 215586993), (9, 71862331), (43, 15040953), (61, 10602639), (129, 5013651), (183, 3534213), (387, 1671217), (549, 1178071), (2623, 246573), (7869, 82191), (23607, 27397)]