496620477

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{12487}}^1$

素因数の和:12990

約数の個数: 20

約数和(自身を含む): 743435616

約数和(自身を除く): 246815139

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 12487, 13257, 37461, 39771, 112383, 337149, 1011447, 6131117, 18393351, 55180053, 165540159, 496620477]

約数ペア:

[(1, 496620477), (3, 165540159), (9, 55180053), (27, 18393351), (81, 6131117), (491, 1011447), (1473, 337149), (4419, 112383), (12487, 39771), (13257, 37461)]