42637539

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{106861}}^1$

素因数の和:106890

約数の個数: 16

約数和(自身を含む): 68391680

約数和(自身を除く): 25754141

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 106861, 320583, 748027, 2030359, 2244081, 6091077, 14212513, 42637539]

約数ペア:

[(1, 42637539), (3, 14212513), (7, 6091077), (19, 2244081), (21, 2030359), (57, 748027), (133, 320583), (399, 106861)]