81540755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{6353}}^1$

素因数の和:6526

約数の個数: 16

約数和(自身を含む): 104307264

約数和(自身を除く): 22766509

約数列:

[1, 5, 17, 85, 151, 755, 2567, 6353, 12835, 31765, 108001, 540005, 959303, 4796515, 16308151, 81540755]

約数ペア:

[(1, 81540755), (5, 16308151), (17, 4796515), (85, 959303), (151, 540005), (755, 108001), (2567, 31765), (6353, 12835)]