12943641

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 18184320

約数和(自身を除く): 5240679

約数列:

[1, 3, 23, 69, 109, 327, 1721, 2507, 5163, 7521, 39583, 118749, 187589, 562767, 4314547, 12943641]

約数ペア:

[(1, 12943641), (3, 4314547), (23, 562767), (69, 187589), (109, 118749), (327, 39583), (1721, 7521), (2507, 5163)]