81379045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{3727}}^1$

素因数の和:4140

約数の個数: 16

約数和(自身を含む): 106829568

約数和(自身を除く): 25450523

約数列:

[1, 5, 11, 55, 397, 1985, 3727, 4367, 18635, 21835, 40997, 204985, 1479619, 7398095, 16275809, 81379045]

約数ペア:

[(1, 81379045), (5, 16275809), (11, 7398095), (55, 1479619), (397, 204985), (1985, 40997), (3727, 21835), (4367, 18635)]