18253215

素因数分解:

$3^3\times 5^1\times {\mathrm{135209}}^1$

素因数の和:135223

約数の個数: 16

約数和(自身を含む): 32450400

約数和(自身を除く): 14197185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 135209, 405627, 676045, 1216881, 2028135, 3650643, 6084405, 18253215]

約数ペア:

[(1, 18253215), (3, 6084405), (5, 3650643), (9, 2028135), (15, 1216881), (27, 676045), (45, 405627), (135, 135209)]