12816195

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 24883200

約数和(自身を除く): 12067005

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 53, 105, 141, 147, 159, 235, 245, 265, 329, 343, 371, 705, 735, 795, 987, 1029, 1113, 1645, 1715, 1855, 2303, 2491, 2597, 4935, 5145, 5565, 6909, 7473, 7791, 11515, 12455, 12985, 16121, 17437, 18179, 34545, 37365, 38955, 48363, 52311, 54537, 80605, 87185, 90895, 122059, 241815, 261555, 272685, 366177, 610295, 854413, 1830885, 2563239, 4272065, 12816195]

約数ペア:

[(1, 12816195), (3, 4272065), (5, 2563239), (7, 1830885), (15, 854413), (21, 610295), (35, 366177), (47, 272685), (49, 261555), (53, 241815), (105, 122059), (141, 90895), (147, 87185), (159, 80605), (235, 54537), (245, 52311), (265, 48363), (329, 38955), (343, 37365), (371, 34545), (705, 18179), (735, 17437), (795, 16121), (987, 12985), (1029, 12455), (1113, 11515), (1645, 7791), (1715, 7473), (1855, 6909), (2303, 5565), (2491, 5145), (2597, 4935)]