80777715

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42403}}^1$

素因数の和:42538

約数の個数: 16

約数和(自身を含む): 130265088

約数和(自身を除く): 49487373

約数列:

[1, 3, 5, 15, 127, 381, 635, 1905, 42403, 127209, 212015, 636045, 5385181, 16155543, 26925905, 80777715]

約数ペア:

[(1, 80777715), (3, 26925905), (5, 16155543), (15, 5385181), (127, 636045), (381, 212015), (635, 127209), (1905, 42403)]