156908421

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{10037}}^1$

素因数の和:10242

約数の個数: 20

約数和(自身を含む): 235632012

約数和(自身を除く): 78723591

約数列:

[1, 3, 9, 27, 81, 193, 579, 1737, 5211, 10037, 15633, 30111, 90333, 270999, 812997, 1937141, 5811423, 17434269, 52302807, 156908421]

約数ペア:

[(1, 156908421), (3, 52302807), (9, 17434269), (27, 5811423), (81, 1937141), (193, 812997), (579, 270999), (1737, 90333), (5211, 30111), (10037, 15633)]