172132209

素因数分解:

$3^7\times {\mathrm{78707}}^1$

素因数の和:78728

約数の個数: 16

約数和(自身を含む): 258162240

約数和(自身を除く): 86030031

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 78707, 236121, 708363, 2125089, 6375267, 19125801, 57377403, 172132209]

約数ペア:

[(1, 172132209), (3, 57377403), (9, 19125801), (27, 6375267), (81, 2125089), (243, 708363), (729, 236121), (2187, 78707)]