15211945

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1949}}^1$

素因数の和:2184

約数の個数: 16

約数和(自身を含む): 20966400

約数和(自身を除く): 5754455

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 1949, 7805, 9745, 13643, 68215, 434627, 2173135, 3042389, 15211945]

約数ペア:

[(1, 15211945), (5, 3042389), (7, 2173135), (35, 434627), (223, 68215), (1115, 13643), (1561, 9745), (1949, 7805)]