81977394

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{187163}}^1$

素因数の和:187241

約数の個数: 16

約数和(自身を含む): 166201632

約数和(自身を除く): 84224238

約数列:

[1, 2, 3, 6, 73, 146, 219, 438, 187163, 374326, 561489, 1122978, 13662899, 27325798, 40988697, 81977394]

約数ペア:

[(1, 81977394), (2, 40988697), (3, 27325798), (6, 13662899), (73, 1122978), (146, 561489), (219, 374326), (438, 187163)]