66405501

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{17443}}^1$

素因数の和:17502

約数の個数: 20

約数和(自身を含む): 101314752

約数和(自身を除く): 34909251

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 17443, 52329, 156987, 470961, 819821, 1412883, 2459463, 7378389, 22135167, 66405501]

約数ペア:

[(1, 66405501), (3, 22135167), (9, 7378389), (27, 2459463), (47, 1412883), (81, 819821), (141, 470961), (423, 156987), (1269, 52329), (3807, 17443)]