12216729

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2027}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 19420128

約数和(自身を除く): 7203399

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 2027, 6027, 6081, 14189, 42567, 83107, 99323, 249321, 297969, 581749, 1745247, 4072243, 12216729]

約数ペア:

[(1, 12216729), (3, 4072243), (7, 1745247), (21, 581749), (41, 297969), (49, 249321), (123, 99323), (147, 83107), (287, 42567), (861, 14189), (2009, 6081), (2027, 6027)]