28061775

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{5939}}^1$

素因数の和:5965

約数の個数: 48

約数和(自身を含む): 58924800

約数和(自身を除く): 30863025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 5939, 17817, 29695, 41573, 53451, 89085, 124719, 148475, 160353, 207865, 267255, 374157, 445425, 623595, 801765, 1039325, 1122471, 1336275, 1870785, 3117975, 4008825, 5612355, 9353925, 28061775]

約数ペア:

[(1, 28061775), (3, 9353925), (5, 5612355), (7, 4008825), (9, 3117975), (15, 1870785), (21, 1336275), (25, 1122471), (27, 1039325), (35, 801765), (45, 623595), (63, 445425), (75, 374157), (105, 267255), (135, 207865), (175, 160353), (189, 148475), (225, 124719), (315, 89085), (525, 53451), (675, 41573), (945, 29695), (1575, 17817), (4725, 5939)]