66872955

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 110246400

約数和(自身を除く): 43373445

約数列:

[1, 3, 5, 15, 43, 129, 199, 215, 521, 597, 645, 995, 1563, 2605, 2985, 7815, 8557, 22403, 25671, 42785, 67209, 103679, 112015, 128355, 311037, 336045, 518395, 1555185, 4458197, 13374591, 22290985, 66872955]

約数ペア:

[(1, 66872955), (3, 22290985), (5, 13374591), (15, 4458197), (43, 1555185), (129, 518395), (199, 336045), (215, 311037), (521, 128355), (597, 112015), (645, 103679), (995, 67209), (1563, 42785), (2605, 25671), (2985, 22403), (7815, 8557)]