25621839

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:861

約数の個数: 40

約数和(自身を含む): 42340320

約数和(自身を除く): 16718481

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 621, 809, 1173, 1377, 1863, 2427, 3519, 7281, 10557, 13753, 18607, 21843, 31671, 41259, 55821, 65529, 123777, 167463, 316319, 371331, 502389, 948957, 1113993, 1507167, 2846871, 8540613, 25621839]

約数ペア:

[(1, 25621839), (3, 8540613), (9, 2846871), (17, 1507167), (23, 1113993), (27, 948957), (51, 502389), (69, 371331), (81, 316319), (153, 167463), (207, 123777), (391, 65529), (459, 55821), (621, 41259), (809, 31671), (1173, 21843), (1377, 18607), (1863, 13753), (2427, 10557), (3519, 7281)]