73799991

素因数分解:

$3^4\times {\mathrm{911111}}^1$

素因数の和:911123

約数の個数: 10

約数和(自身を含む): 110244552

約数和(自身を除く): 36444561

約数列:

[1, 3, 9, 27, 81, 911111, 2733333, 8199999, 24599997, 73799991]

約数ペア:

[(1, 73799991), (3, 24599997), (9, 8199999), (27, 2733333), (81, 911111)]