25691805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 47114496

約数和(自身を除く): 21422691

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 103, 115, 207, 241, 309, 345, 515, 723, 927, 1035, 1205, 1545, 2169, 2369, 3615, 4635, 5543, 7107, 10845, 11845, 16629, 21321, 24823, 27715, 35535, 49887, 74469, 83145, 106605, 124115, 223407, 249435, 372345, 570929, 1117035, 1712787, 2854645, 5138361, 8563935, 25691805]

約数ペア:

[(1, 25691805), (3, 8563935), (5, 5138361), (9, 2854645), (15, 1712787), (23, 1117035), (45, 570929), (69, 372345), (103, 249435), (115, 223407), (207, 124115), (241, 106605), (309, 83145), (345, 74469), (515, 49887), (723, 35535), (927, 27715), (1035, 24823), (1205, 21321), (1545, 16629), (2169, 11845), (2369, 10845), (3615, 7107), (4635, 5543)]