28678041

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4507}}^1$

素因数の和:4621

約数の個数: 24

約数和(自身を含む): 47820864

約数和(自身を除く): 19142823

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 4507, 6363, 13521, 31549, 40563, 94647, 283941, 455207, 1365621, 3186449, 4096863, 9559347, 28678041]

約数ペア:

[(1, 28678041), (3, 9559347), (7, 4096863), (9, 3186449), (21, 1365621), (63, 455207), (101, 283941), (303, 94647), (707, 40563), (909, 31549), (2121, 13521), (4507, 6363)]