28581945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1051}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 54687168

約数和(自身を除く): 26105223

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 105, 111, 147, 185, 245, 259, 555, 735, 777, 1051, 1295, 1813, 3153, 3885, 5255, 5439, 7357, 9065, 15765, 22071, 27195, 36785, 38887, 51499, 110355, 116661, 154497, 194435, 257495, 272209, 583305, 772485, 816627, 1361045, 1905463, 4083135, 5716389, 9527315, 28581945]

約数ペア:

[(1, 28581945), (3, 9527315), (5, 5716389), (7, 4083135), (15, 1905463), (21, 1361045), (35, 816627), (37, 772485), (49, 583305), (105, 272209), (111, 257495), (147, 194435), (185, 154497), (245, 116661), (259, 110355), (555, 51499), (735, 38887), (777, 36785), (1051, 27195), (1295, 22071), (1813, 15765), (3153, 9065), (3885, 7357), (5255, 5439)]