81501985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{2767}}^1$

素因数の和:2952

約数の個数: 16

約数和(自身を含む): 100843776

約数和(自身を除く): 19341791

約数列:

[1, 5, 43, 137, 215, 685, 2767, 5891, 13835, 29455, 118981, 379079, 594905, 1895395, 16300397, 81501985]

約数ペア:

[(1, 81501985), (5, 16300397), (43, 1895395), (137, 594905), (215, 379079), (685, 118981), (2767, 29455), (5891, 13835)]