171808209

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{73141}}^1$

素因数の和:73182

約数の個数: 20

約数和(自身を含む): 265505460

約数和(自身を除く): 93697251

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 73141, 219423, 658269, 1974807, 2121089, 5924421, 6363267, 19089801, 57269403, 171808209]

約数ペア:

[(1, 171808209), (3, 57269403), (9, 19089801), (27, 6363267), (29, 5924421), (81, 2121089), (87, 1974807), (261, 658269), (783, 219423), (2349, 73141)]