27681990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{683}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 76432896

約数和(自身を除く): 48750906

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 193, 210, 386, 579, 683, 965, 1158, 1351, 1366, 1930, 2049, 2702, 2895, 3415, 4053, 4098, 4781, 5790, 6755, 6830, 8106, 9562, 10245, 13510, 14343, 20265, 20490, 23905, 28686, 40530, 47810, 71715, 131819, 143430, 263638, 395457, 659095, 790914, 922733, 1318190, 1845466, 1977285, 2768199, 3954570, 4613665, 5536398, 9227330, 13840995, 27681990]

約数ペア:

[(1, 27681990), (2, 13840995), (3, 9227330), (5, 5536398), (6, 4613665), (7, 3954570), (10, 2768199), (14, 1977285), (15, 1845466), (21, 1318190), (30, 922733), (35, 790914), (42, 659095), (70, 395457), (105, 263638), (193, 143430), (210, 131819), (386, 71715), (579, 47810), (683, 40530), (965, 28686), (1158, 23905), (1351, 20490), (1366, 20265), (1930, 14343), (2049, 13510), (2702, 10245), (2895, 9562), (3415, 8106), (4053, 6830), (4098, 6755), (4781, 5790)]