31874913

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 57241600

約数和(自身を除く): 25366687

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 399, 589, 651, 859, 1197, 1767, 1953, 2577, 4123, 5301, 6013, 7731, 12369, 16321, 18039, 26629, 37107, 48963, 54117, 79887, 114247, 146889, 186403, 239661, 342741, 505951, 559209, 1028223, 1517853, 1677627, 3541657, 4553559, 10624971, 31874913]

約数ペア:

[(1, 31874913), (3, 10624971), (7, 4553559), (9, 3541657), (19, 1677627), (21, 1517853), (31, 1028223), (57, 559209), (63, 505951), (93, 342741), (133, 239661), (171, 186403), (217, 146889), (279, 114247), (399, 79887), (589, 54117), (651, 48963), (859, 37107), (1197, 26629), (1767, 18039), (1953, 16321), (2577, 12369), (4123, 7731), (5301, 6013)]