128202381

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{2351}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 190060416

約数和(自身を除く): 61858035

約数列:

[1, 3, 9, 73, 83, 219, 249, 657, 747, 2351, 6059, 7053, 18177, 21159, 54531, 171623, 195133, 514869, 585399, 1544607, 1756197, 14244709, 42734127, 128202381]

約数ペア:

[(1, 128202381), (3, 42734127), (9, 14244709), (73, 1756197), (83, 1544607), (219, 585399), (249, 514869), (657, 195133), (747, 171623), (2351, 54531), (6059, 21159), (7053, 18177)]