81338621

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{1777}}^1$

素因数の和:2300

約数の個数: 16

約数和(自身を含む): 100364544

約数和(自身を除く): 19025923

約数列:

[1, 7, 13, 91, 503, 1777, 3521, 6539, 12439, 23101, 45773, 161707, 893831, 6256817, 11619803, 81338621]

約数ペア:

[(1, 81338621), (7, 11619803), (13, 6256817), (91, 893831), (503, 161707), (1777, 45773), (3521, 23101), (6539, 12439)]