81105745

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{29333}}^1$

素因数の和:29424

約数の個数: 16

約数和(自身を含む): 112642560

約数和(自身を除く): 31536815

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 29333, 146665, 205331, 1026655, 2317307, 11586535, 16221149, 81105745]

約数ペア:

[(1, 81105745), (5, 16221149), (7, 11586535), (35, 2317307), (79, 1026655), (395, 205331), (553, 146665), (2765, 29333)]