12775945

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 19337472

約数和(自身を除く): 6561527

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 653, 1505, 2795, 3265, 3913, 4571, 8489, 19565, 22855, 28079, 42445, 59423, 140395, 196553, 297115, 365027, 982765, 1825135, 2555189, 12775945]

約数ペア:

[(1, 12775945), (5, 2555189), (7, 1825135), (13, 982765), (35, 365027), (43, 297115), (65, 196553), (91, 140395), (215, 59423), (301, 42445), (455, 28079), (559, 22855), (653, 19565), (1505, 8489), (2795, 4571), (3265, 3913)]