81297591

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{857}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 109933824

約数和(自身を除く): 28636233

約数列:

[1, 3, 103, 307, 309, 857, 921, 2571, 31621, 88271, 94863, 263099, 264813, 789297, 27099197, 81297591]

約数ペア:

[(1, 81297591), (3, 27099197), (103, 789297), (307, 264813), (309, 263099), (857, 94863), (921, 88271), (2571, 31621)]