27879005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 15787555

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 121, 145, 203, 227, 319, 385, 605, 847, 1015, 1135, 1589, 1595, 2233, 2497, 3509, 4235, 6583, 7945, 11165, 12485, 17479, 17545, 24563, 27467, 32915, 46081, 72413, 87395, 122815, 137335, 192269, 230405, 362065, 506891, 796543, 961345, 2534455, 3982715, 5575801, 27879005]

約数ペア:

[(1, 27879005), (5, 5575801), (7, 3982715), (11, 2534455), (29, 961345), (35, 796543), (55, 506891), (77, 362065), (121, 230405), (145, 192269), (203, 137335), (227, 122815), (319, 87395), (385, 72413), (605, 46081), (847, 32915), (1015, 27467), (1135, 24563), (1589, 17545), (1595, 17479), (2233, 12485), (2497, 11165), (3509, 7945), (4235, 6583)]