31316439

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 22462377

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 107, 147, 181, 231, 321, 539, 543, 749, 1177, 1267, 1617, 1991, 2247, 3531, 3801, 5243, 5973, 8239, 8869, 13937, 15729, 19367, 24717, 26607, 41811, 57673, 58101, 97559, 135569, 173019, 213037, 292677, 406707, 639111, 948983, 1491259, 2846949, 4473777, 10438813, 31316439]

約数ペア:

[(1, 31316439), (3, 10438813), (7, 4473777), (11, 2846949), (21, 1491259), (33, 948983), (49, 639111), (77, 406707), (107, 292677), (147, 213037), (181, 173019), (231, 135569), (321, 97559), (539, 58101), (543, 57673), (749, 41811), (1177, 26607), (1267, 24717), (1617, 19367), (1991, 15729), (2247, 13937), (3531, 8869), (3801, 8239), (5243, 5973)]