81059427

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{20149}}^1$

素因数の和:20307

約数の個数: 16

約数和(自身を含む): 120900000

約数和(自身を除く): 39840573

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 20149, 60447, 181341, 544023, 3002201, 9006603, 27019809, 81059427]

約数ペア:

[(1, 81059427), (3, 27019809), (9, 9006603), (27, 3002201), (149, 544023), (447, 181341), (1341, 60447), (4023, 20149)]