121553415

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{19433}}^1$

素因数の和:19583

約数の個数: 24

約数和(自身を含む): 212219280

約数和(自身を除く): 90665865

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 19433, 58299, 97165, 174897, 291495, 874485, 2701187, 8103561, 13505935, 24310683, 40517805, 121553415]

約数ペア:

[(1, 121553415), (3, 40517805), (5, 24310683), (9, 13505935), (15, 8103561), (45, 2701187), (139, 874485), (417, 291495), (695, 174897), (1251, 97165), (2085, 58299), (6255, 19433)]