1305507

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 2068416

約数和(自身を除く): 762909

約数列:

[1, 3, 7, 21, 49, 83, 107, 147, 249, 321, 581, 749, 1743, 2247, 4067, 5243, 8881, 12201, 15729, 26643, 62167, 186501, 435169, 1305507]

約数ペア:

[(1, 1305507), (3, 435169), (7, 186501), (21, 62167), (49, 26643), (83, 15729), (107, 12201), (147, 8881), (249, 5243), (321, 4067), (581, 2247), (749, 1743)]