28686285

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5743}}^1$

素因数の和:5794

約数の個数: 32

約数和(自身を含む): 52385280

約数和(自身を除く): 23698995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1665, 4995, 5743, 17229, 28715, 51687, 86145, 155061, 212491, 258435, 637473, 775305, 1062455, 1912419, 3187365, 5737257, 9562095, 28686285]

約数ペア:

[(1, 28686285), (3, 9562095), (5, 5737257), (9, 3187365), (15, 1912419), (27, 1062455), (37, 775305), (45, 637473), (111, 258435), (135, 212491), (185, 155061), (333, 86145), (555, 51687), (999, 28715), (1665, 17229), (4995, 5743)]