28385259

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10163}}^1$

素因数の和:10199

約数の個数: 24

約数和(自身を含む): 46347840

約数和(自身を除く): 17962581

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10163, 30489, 71141, 193097, 213423, 497987, 579291, 1351679, 1493961, 4055037, 9461753, 28385259]

約数ペア:

[(1, 28385259), (3, 9461753), (7, 4055037), (19, 1493961), (21, 1351679), (49, 579291), (57, 497987), (133, 213423), (147, 193097), (399, 71141), (931, 30489), (2793, 10163)]