128851245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{168433}}^1$

素因数の和:168461

約数の個数: 24

約数和(自身を含む): 236481336

約数和(自身を除く): 107630091

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 168433, 505299, 842165, 1515897, 2526495, 2863361, 7579485, 8590083, 14316805, 25770249, 42950415, 128851245]

約数ペア:

[(1, 128851245), (3, 42950415), (5, 25770249), (9, 14316805), (15, 8590083), (17, 7579485), (45, 2863361), (51, 2526495), (85, 1515897), (153, 842165), (255, 505299), (765, 168433)]