20171227815

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1\times {\mathrm{31793}}^1$

素因数の和:32440

約数の個数: 48

約数和(自身を含む): 36544277952

約数和(自身を除く): 16373050137

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 613, 1035, 1839, 3065, 5517, 9195, 14099, 27585, 31793, 42297, 70495, 95379, 126891, 158965, 211485, 286137, 476895, 634455, 731239, 1430685, 2193717, 3656195, 6581151, 10968585, 19489109, 32905755, 58467327, 97445545, 175401981, 292336635, 448249507, 877009905, 1344748521, 2241247535, 4034245563, 6723742605, 20171227815]

約数ペア:

[(1, 20171227815), (3, 6723742605), (5, 4034245563), (9, 2241247535), (15, 1344748521), (23, 877009905), (45, 448249507), (69, 292336635), (115, 175401981), (207, 97445545), (345, 58467327), (613, 32905755), (1035, 19489109), (1839, 10968585), (3065, 6581151), (5517, 3656195), (9195, 2193717), (14099, 1430685), (27585, 731239), (31793, 634455), (42297, 476895), (70495, 286137), (95379, 211485), (126891, 158965)]