39987513

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{8093}}^1$

素因数の和:8166

約数の個数: 20

約数和(自身を含む): 60721188

約数和(自身を除く): 20733675

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 8093, 24279, 72837, 218511, 493673, 655533, 1481019, 4443057, 13329171, 39987513]

約数ペア:

[(1, 39987513), (3, 13329171), (9, 4443057), (27, 1481019), (61, 655533), (81, 493673), (183, 218511), (549, 72837), (1647, 24279), (4941, 8093)]