28056825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6563}}^1$

素因数の和:6598

約数の個数: 36

約数和(自身を含む): 52905840

約数和(自身を除く): 24849015

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 6563, 19689, 32815, 59067, 98445, 124697, 164075, 295335, 374091, 492225, 623485, 1122273, 1476675, 1870455, 3117425, 5611365, 9352275, 28056825]

約数ペア:

[(1, 28056825), (3, 9352275), (5, 5611365), (9, 3117425), (15, 1870455), (19, 1476675), (25, 1122273), (45, 623485), (57, 492225), (75, 374091), (95, 295335), (171, 164075), (225, 124697), (285, 98445), (475, 59067), (855, 32815), (1425, 19689), (4275, 6563)]