28961775

素因数分解:

$3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1440

約数の個数: 36

約数和(自身を含む): 52448032

約数和(自身を除く): 23486257

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 97, 225, 291, 485, 873, 1327, 1455, 2425, 3981, 4365, 6635, 7275, 11943, 19905, 21825, 33175, 59715, 99525, 128719, 298575, 386157, 643595, 1158471, 1930785, 3217975, 5792355, 9653925, 28961775]

約数ペア:

[(1, 28961775), (3, 9653925), (5, 5792355), (9, 3217975), (15, 1930785), (25, 1158471), (45, 643595), (75, 386157), (97, 298575), (225, 128719), (291, 99525), (485, 59715), (873, 33175), (1327, 21825), (1455, 19905), (2425, 11943), (3981, 7275), (4365, 6635)]