28668195

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2909}}^1$

素因数の和:2996

約数の個数: 32

約数和(自身を含む): 51681600

約数和(自身を除く): 23013405

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 2909, 3285, 8727, 9855, 14545, 26181, 43635, 78543, 130905, 212357, 392715, 637071, 1061785, 1911213, 3185355, 5733639, 9556065, 28668195]

約数ペア:

[(1, 28668195), (3, 9556065), (5, 5733639), (9, 3185355), (15, 1911213), (27, 1061785), (45, 637071), (73, 392715), (135, 212357), (219, 130905), (365, 78543), (657, 43635), (1095, 26181), (1971, 14545), (2909, 9855), (3285, 8727)]