28782207

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9901}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 46341360

約数和(自身を除く): 17559153

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 9901, 29703, 89109, 168317, 188119, 504951, 564357, 1514853, 1693071, 3198023, 9594069, 28782207]

約数ペア:

[(1, 28782207), (3, 9594069), (9, 3198023), (17, 1693071), (19, 1514853), (51, 564357), (57, 504951), (153, 188119), (171, 168317), (323, 89109), (969, 29703), (2907, 9901)]