18817317

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4241}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 29778840

約数和(自身を除く): 10961523

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4241, 4437, 12723, 38169, 72097, 122989, 216291, 368967, 648873, 1106901, 2090813, 6272439, 18817317]

約数ペア:

[(1, 18817317), (3, 6272439), (9, 2090813), (17, 1106901), (29, 648873), (51, 368967), (87, 216291), (153, 122989), (261, 72097), (493, 38169), (1479, 12723), (4241, 4437)]