31112367

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 51838080

約数和(自身を除く): 20725713

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 121, 143, 209, 247, 347, 363, 429, 627, 741, 1041, 1573, 2299, 2717, 3817, 4511, 4719, 6593, 6897, 8151, 11451, 13533, 19779, 29887, 41987, 49621, 72523, 85709, 89661, 125961, 148863, 217569, 257127, 545831, 797753, 942799, 1637493, 2393259, 2828397, 10370789, 31112367]

約数ペア:

[(1, 31112367), (3, 10370789), (11, 2828397), (13, 2393259), (19, 1637493), (33, 942799), (39, 797753), (57, 545831), (121, 257127), (143, 217569), (209, 148863), (247, 125961), (347, 89661), (363, 85709), (429, 72523), (627, 49621), (741, 41987), (1041, 29887), (1573, 19779), (2299, 13533), (2717, 11451), (3817, 8151), (4511, 6897), (4719, 6593)]