2021036265

素因数分解:

$3^4\times 5^1\times {\mathrm{4990213}}^1$

素因数の和:4990230

約数の個数: 20

約数和(自身を含む): 3622895364

約数和(自身を除く): 1601859099

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4990213, 14970639, 24951065, 44911917, 74853195, 134735751, 224559585, 404207253, 673678755, 2021036265]

約数ペア:

[(1, 2021036265), (3, 673678755), (5, 404207253), (9, 224559585), (15, 134735751), (27, 74853195), (45, 44911917), (81, 24951065), (135, 14970639), (405, 4990213)]