38999889

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 57493800

約数和(自身を除く): 18493911

約数列:

[1, 3, 9, 89, 181, 267, 269, 543, 801, 807, 1629, 2421, 16109, 23941, 48327, 48689, 71823, 144981, 146067, 215469, 438201, 4333321, 12999963, 38999889]

約数ペア:

[(1, 38999889), (3, 12999963), (9, 4333321), (89, 438201), (181, 215469), (267, 146067), (269, 144981), (543, 71823), (801, 48689), (807, 48327), (1629, 23941), (2421, 16109)]