156989421

素因数分解:

$3^7\times {\mathrm{23}}^1\times {\mathrm{3121}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 245763840

約数和(自身を除く): 88774419

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 729, 1863, 2187, 3121, 5589, 9363, 16767, 28089, 50301, 71783, 84267, 215349, 252801, 646047, 758403, 1938141, 2275209, 5814423, 6825627, 17443269, 52329807, 156989421]

約数ペア:

[(1, 156989421), (3, 52329807), (9, 17443269), (23, 6825627), (27, 5814423), (69, 2275209), (81, 1938141), (207, 758403), (243, 646047), (621, 252801), (729, 215349), (1863, 84267), (2187, 71783), (3121, 50301), (5589, 28089), (9363, 16767)]