12157691

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 15459840

約数和(自身を除く): 3302149

約数列:

[1, 7, 13, 43, 91, 169, 239, 301, 559, 1183, 1673, 3107, 3913, 7267, 10277, 21749, 40391, 50869, 71939, 133601, 282737, 935207, 1736813, 12157691]

約数ペア:

[(1, 12157691), (7, 1736813), (13, 935207), (43, 282737), (91, 133601), (169, 71939), (239, 50869), (301, 40391), (559, 21749), (1183, 10277), (1673, 7267), (3107, 3913)]