11972121

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3541}}^1$

素因数の和:3581

約数の個数: 24

約数和(自身を含む): 19381824

約数和(自身を除く): 7409703

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 3541, 10623, 24787, 74361, 81443, 173509, 244329, 520527, 570101, 1710303, 3990707, 11972121]

約数ペア:

[(1, 11972121), (3, 3990707), (7, 1710303), (21, 570101), (23, 520527), (49, 244329), (69, 173509), (147, 81443), (161, 74361), (483, 24787), (1127, 10623), (3381, 3541)]