12564321

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 21120000

約数和(自身を除く): 8555679

約数列:

[1, 3, 7, 11, 21, 33, 77, 109, 231, 327, 499, 763, 1199, 1497, 2289, 3493, 3597, 5489, 8393, 10479, 16467, 25179, 38423, 54391, 115269, 163173, 380737, 598301, 1142211, 1794903, 4188107, 12564321]

約数ペア:

[(1, 12564321), (3, 4188107), (7, 1794903), (11, 1142211), (21, 598301), (33, 380737), (77, 163173), (109, 115269), (231, 54391), (327, 38423), (499, 25179), (763, 16467), (1199, 10479), (1497, 8393), (2289, 5489), (3493, 3597)]