40545405

素因数分解:

$3^2\times 5^1\times {\mathrm{901009}}^1$

素因数の和:901020

約数の個数: 12

約数和(自身を含む): 70278780

約数和(自身を除く): 29733375

約数列:

[1, 3, 5, 9, 15, 45, 901009, 2703027, 4505045, 8109081, 13515135, 40545405]

約数ペア:

[(1, 40545405), (3, 13515135), (5, 8109081), (9, 4505045), (15, 2703027), (45, 901009)]