388675497

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{33469}}^1$

素因数の和:33565

約数の個数: 24

約数和(自身を含む): 610492800

約数和(自身を除く): 221817303

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1659, 3871, 11613, 33469, 100407, 234283, 702849, 1639981, 2644051, 4919943, 7932153, 18508357, 55525071, 129558499, 388675497]

約数ペア:

[(1, 388675497), (3, 129558499), (7, 55525071), (21, 18508357), (49, 7932153), (79, 4919943), (147, 2644051), (237, 1639981), (553, 702849), (1659, 234283), (3871, 100407), (11613, 33469)]