28098315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{12743}}^1$

素因数の和:12768

約数の個数: 36

約数和(自身を含む): 56659824

約数和(自身を除く): 28561509

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 12743, 38229, 63715, 89201, 114687, 191145, 267603, 446005, 573435, 624407, 802809, 1338015, 1873221, 3122035, 4014045, 5619663, 9366105, 28098315]

約数ペア:

[(1, 28098315), (3, 9366105), (5, 5619663), (7, 4014045), (9, 3122035), (15, 1873221), (21, 1338015), (35, 802809), (45, 624407), (49, 573435), (63, 446005), (105, 267603), (147, 191145), (245, 114687), (315, 89201), (441, 63715), (735, 38229), (2205, 12743)]