12649215

素因数分解:

$3^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3001}}^1$

素因数の和:3290

約数の個数: 16

約数和(自身を含む): 20317536

約数和(自身を除く): 7668321

約数列:

[1, 3, 5, 15, 281, 843, 1405, 3001, 4215, 9003, 15005, 45015, 843281, 2529843, 4216405, 12649215]

約数ペア:

[(1, 12649215), (3, 4216405), (5, 2529843), (15, 843281), (281, 45015), (843, 15005), (1405, 9003), (3001, 4215)]