25280721

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 14031279

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 389, 747, 783, 1167, 2241, 2407, 3501, 7221, 10503, 11281, 21663, 32287, 33843, 64989, 96861, 101529, 290583, 304587, 871749, 936323, 2808969, 8426907, 25280721]

約数ペア:

[(1, 25280721), (3, 8426907), (9, 2808969), (27, 936323), (29, 871749), (83, 304587), (87, 290583), (249, 101529), (261, 96861), (389, 64989), (747, 33843), (783, 32287), (1167, 21663), (2241, 11281), (2407, 10503), (3501, 7221)]