123780489

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1777}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 196632576

約数和(自身を除く): 72852087

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 321, 651, 749, 1777, 2247, 3317, 5331, 9951, 12439, 23219, 37317, 55087, 69657, 165261, 190139, 385609, 570417, 1156827, 1330973, 3992919, 5894309, 17682927, 41260163, 123780489]

約数ペア:

[(1, 123780489), (3, 41260163), (7, 17682927), (21, 5894309), (31, 3992919), (93, 1330973), (107, 1156827), (217, 570417), (321, 385609), (651, 190139), (749, 165261), (1777, 69657), (2247, 55087), (3317, 37317), (5331, 23219), (9951, 12439)]