2563239

素因数分解:

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

素因数の和:124

約数の個数: 32

約数和(自身を含む): 4147200

約数和(自身を除く): 1583961

約数列:

[1, 3, 7, 21, 47, 49, 53, 141, 147, 159, 329, 343, 371, 987, 1029, 1113, 2303, 2491, 2597, 6909, 7473, 7791, 16121, 17437, 18179, 48363, 52311, 54537, 122059, 366177, 854413, 2563239]

約数ペア:

[(1, 2563239), (3, 854413), (7, 366177), (21, 122059), (47, 54537), (49, 52311), (53, 48363), (141, 18179), (147, 17437), (159, 16121), (329, 7791), (343, 7473), (371, 6909), (987, 2597), (1029, 2491), (1113, 2303)]