919335225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1987}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 1577676800

約数和(自身を除く): 658341575

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 199, 465, 597, 775, 995, 1987, 2325, 2985, 4975, 5961, 6169, 9935, 14925, 18507, 29805, 30845, 49675, 61597, 92535, 149025, 154225, 184791, 307985, 395413, 462675, 923955, 1186239, 1539925, 1977065, 4619775, 5931195, 9885325, 12257803, 29655975, 36773409, 61289015, 183867045, 306445075, 919335225]

約数ペア:

[(1, 919335225), (3, 306445075), (5, 183867045), (15, 61289015), (25, 36773409), (31, 29655975), (75, 12257803), (93, 9885325), (155, 5931195), (199, 4619775), (465, 1977065), (597, 1539925), (775, 1186239), (995, 923955), (1987, 462675), (2325, 395413), (2985, 307985), (4975, 184791), (5961, 154225), (6169, 149025), (9935, 92535), (14925, 61597), (18507, 49675), (29805, 30845)]