31670397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 53352000

約数和(自身を除く): 21681603

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 113, 149, 171, 209, 339, 447, 627, 1017, 1243, 1341, 1639, 1881, 2147, 2831, 3729, 4917, 6441, 8493, 11187, 14751, 16837, 19323, 23617, 25479, 31141, 50511, 70851, 93423, 151533, 185207, 212553, 280269, 319903, 555621, 959709, 1666863, 2879127, 3518933, 10556799, 31670397]

約数ペア:

[(1, 31670397), (3, 10556799), (9, 3518933), (11, 2879127), (19, 1666863), (33, 959709), (57, 555621), (99, 319903), (113, 280269), (149, 212553), (171, 185207), (209, 151533), (339, 93423), (447, 70851), (627, 50511), (1017, 31141), (1243, 25479), (1341, 23617), (1639, 19323), (1881, 16837), (2147, 14751), (2831, 11187), (3729, 8493), (4917, 6441)]