81338313

素因数分解:

$3^1\times 7^1\times {\mathrm{719}}^1\times {\mathrm{5387}}^1$

素因数の和:6116

約数の個数: 16

約数和(自身を含む): 124139520

約数和(自身を除く): 42801207

約数列:

[1, 3, 7, 21, 719, 2157, 5033, 5387, 15099, 16161, 37709, 113127, 3873253, 11619759, 27112771, 81338313]

約数ペア:

[(1, 81338313), (3, 27112771), (7, 11619759), (21, 3873253), (719, 113127), (2157, 37709), (5033, 16161), (5387, 15099)]