128331357

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1601}}^1$

素因数の和:1969

約数の個数: 32

約数和(自身を含む): 214078464

約数和(自身を除く): 85747107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 347, 1041, 1601, 2429, 3817, 4803, 7287, 11207, 11451, 17611, 26719, 33621, 52833, 80157, 123277, 369831, 555547, 1666641, 3888829, 6111017, 11666487, 18333051, 42777119, 128331357]

約数ペア:

[(1, 128331357), (3, 42777119), (7, 18333051), (11, 11666487), (21, 6111017), (33, 3888829), (77, 1666641), (231, 555547), (347, 369831), (1041, 123277), (1601, 80157), (2429, 52833), (3817, 33621), (4803, 26719), (7287, 17611), (11207, 11451)]