80705445

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1423}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 136704000

約数和(自身を除く): 55998555

約数列:

[1, 3, 5, 15, 19, 57, 95, 199, 285, 597, 995, 1423, 2985, 3781, 4269, 7115, 11343, 18905, 21345, 27037, 56715, 81111, 135185, 283177, 405555, 849531, 1415885, 4247655, 5380363, 16141089, 26901815, 80705445]

約数ペア:

[(1, 80705445), (3, 26901815), (5, 16141089), (15, 5380363), (19, 4247655), (57, 1415885), (95, 849531), (199, 405555), (285, 283177), (597, 135185), (995, 81111), (1423, 56715), (2985, 27037), (3781, 21345), (4269, 18905), (7115, 11343)]