12991473

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{467}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 20588256

約数和(自身を除く): 7596783

約数列:

[1, 3, 9, 11, 33, 99, 281, 467, 843, 1401, 2529, 3091, 4203, 5137, 9273, 15411, 27819, 46233, 131227, 393681, 1181043, 1443497, 4330491, 12991473]

約数ペア:

[(1, 12991473), (3, 4330491), (9, 1443497), (11, 1181043), (33, 393681), (99, 131227), (281, 46233), (467, 27819), (843, 15411), (1401, 9273), (2529, 5137), (3091, 4203)]