18040509

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4001}}^1$

素因数の和:4177

約数の個数: 16

約数和(自身を含む): 26893440

約数和(自身を除く): 8852931

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4001, 4509, 12003, 36009, 108027, 668167, 2004501, 6013503, 18040509]

約数ペア:

[(1, 18040509), (3, 6013503), (9, 2004501), (27, 668167), (167, 108027), (501, 36009), (1503, 12003), (4001, 4509)]