12640845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 23316480

約数和(自身を除く): 10675635

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 131, 393, 655, 917, 919, 1965, 2751, 2757, 4585, 4595, 6433, 13755, 13785, 19299, 32165, 96495, 120389, 361167, 601945, 842723, 1805835, 2528169, 4213615, 12640845]

約数ペア:

[(1, 12640845), (3, 4213615), (5, 2528169), (7, 1805835), (15, 842723), (21, 601945), (35, 361167), (105, 120389), (131, 96495), (393, 32165), (655, 19299), (917, 13785), (919, 13755), (1965, 6433), (2751, 4595), (2757, 4585)]