25836651

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 42340320

約数和(自身を除く): 16503669

約数列:

[1, 3, 9, 17, 27, 29, 51, 81, 87, 153, 261, 459, 493, 647, 783, 1377, 1479, 1941, 2349, 4437, 5823, 10999, 13311, 17469, 18763, 32997, 39933, 52407, 56289, 98991, 168867, 296973, 318971, 506601, 890919, 956913, 1519803, 2870739, 8612217, 25836651]

約数ペア:

[(1, 25836651), (3, 8612217), (9, 2870739), (17, 1519803), (27, 956913), (29, 890919), (51, 506601), (81, 318971), (87, 296973), (153, 168867), (261, 98991), (459, 56289), (493, 52407), (647, 39933), (783, 32997), (1377, 18763), (1479, 17469), (1941, 13311), (2349, 10999), (4437, 5823)]