81605461

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1933}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 96421504

約数和(自身を除く): 14816043

約数列:

[1, 7, 37, 163, 259, 1141, 1933, 6031, 13531, 42217, 71521, 315079, 500647, 2205553, 11657923, 81605461]

約数ペア:

[(1, 81605461), (7, 11657923), (37, 2205553), (163, 500647), (259, 315079), (1141, 71521), (1933, 42217), (6031, 13531)]