40398423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7561}}^1$

素因数の和:7714

約数の個数: 16

約数和(自身を含む): 58439136

約数和(自身を除く): 18040713

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 7561, 22683, 98293, 294879, 1035857, 3107571, 13466141, 40398423]

約数ペア:

[(1, 40398423), (3, 13466141), (13, 3107571), (39, 1035857), (137, 294879), (411, 98293), (1781, 22683), (5343, 7561)]