156921804657

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{991}}^1\times {\mathrm{254987}}^1$

素因数の和:256010

約数の個数: 32

約数和(自身を含む): 242830172160

約数和(自身を除く): 85908367503

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 991, 2973, 8919, 22793, 26757, 68379, 205137, 254987, 615411, 764961, 2294883, 5864701, 6884649, 17594103, 52782309, 158346927, 252692117, 758076351, 2274229053, 5811918691, 6822687159, 17435756073, 52307268219, 156921804657]

約数ペア:

[(1, 156921804657), (3, 52307268219), (9, 17435756073), (23, 6822687159), (27, 5811918691), (69, 2274229053), (207, 758076351), (621, 252692117), (991, 158346927), (2973, 52782309), (8919, 17594103), (22793, 6884649), (26757, 5864701), (68379, 2294883), (205137, 764961), (254987, 615411)]