67321247

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 80744832

約数和(自身を除く): 13423585

約数列:

[1, 7, 49, 61, 101, 223, 427, 707, 1561, 2989, 4949, 6161, 10927, 13603, 22523, 43127, 95221, 157661, 301889, 666547, 1103627, 1373903, 9617321, 67321247]

約数ペア:

[(1, 67321247), (7, 9617321), (49, 1373903), (61, 1103627), (101, 666547), (223, 301889), (427, 157661), (707, 95221), (1561, 43127), (2989, 22523), (4949, 13603), (6161, 10927)]