13408647

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 21626880

約数和(自身を除く): 8218233

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 479, 651, 903, 1333, 1437, 3353, 3999, 9331, 10059, 14849, 20597, 27993, 44547, 61791, 103943, 144179, 311829, 432537, 638507, 1915521, 4469549, 13408647]

約数ペア:

[(1, 13408647), (3, 4469549), (7, 1915521), (21, 638507), (31, 432537), (43, 311829), (93, 144179), (129, 103943), (217, 61791), (301, 44547), (479, 27993), (651, 20597), (903, 14849), (1333, 10059), (1437, 9331), (3353, 3999)]