81354115

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 98962848

約数和(自身を除く): 17608733

約数列:

[1, 5, 163, 173, 577, 815, 865, 2885, 28199, 94051, 99821, 140995, 470255, 499105, 16270823, 81354115]

約数ペア:

[(1, 81354115), (5, 16270823), (163, 499105), (173, 470255), (577, 140995), (815, 99821), (865, 94051), (2885, 28199)]