66805479

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{63443}}^1$

素因数の和:63468

約数の個数: 20

約数和(自身を含む): 107474136

約数和(自身を除く): 40668657

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 63443, 190329, 570987, 824759, 1712961, 2474277, 5138883, 7422831, 22268493, 66805479]

約数ペア:

[(1, 66805479), (3, 22268493), (9, 7422831), (13, 5138883), (27, 2474277), (39, 1712961), (81, 824759), (117, 570987), (351, 190329), (1053, 63443)]