12643665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 21617280

約数和(自身を除く): 8973615

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 277, 537, 831, 895, 1385, 2685, 3043, 4155, 4709, 9129, 14127, 15215, 23545, 45645, 49583, 70635, 148749, 247915, 743745, 842911, 2528733, 4214555, 12643665]

約数ペア:

[(1, 12643665), (3, 4214555), (5, 2528733), (15, 842911), (17, 743745), (51, 247915), (85, 148749), (179, 70635), (255, 49583), (277, 45645), (537, 23545), (831, 15215), (895, 14127), (1385, 9129), (2685, 4709), (3043, 4155)]