28987065

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3767}}^1$

素因数の和:3803

約数の個数: 40

約数和(自身を含む): 54711360

約数和(自身を除く): 25724295

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 3767, 7695, 11301, 18835, 33903, 56505, 71573, 101709, 169515, 214719, 305127, 357865, 508545, 644157, 1073595, 1525635, 1932471, 3220785, 5797413, 9662355, 28987065]

約数ペア:

[(1, 28987065), (3, 9662355), (5, 5797413), (9, 3220785), (15, 1932471), (19, 1525635), (27, 1073595), (45, 644157), (57, 508545), (81, 357865), (95, 305127), (135, 214719), (171, 169515), (285, 101709), (405, 71573), (513, 56505), (855, 33903), (1539, 18835), (2565, 11301), (3767, 7695)]