81879939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7331}}^1$

素因数の和:7427

約数の個数: 24

約数和(自身を含む): 126960912

約数和(自身を除く): 45080973

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 3723, 7331, 11169, 21993, 65979, 124627, 373881, 535163, 1121643, 1605489, 4816467, 9097771, 27293313, 81879939]

約数ペア:

[(1, 81879939), (3, 27293313), (9, 9097771), (17, 4816467), (51, 1605489), (73, 1121643), (153, 535163), (219, 373881), (657, 124627), (1241, 65979), (3723, 21993), (7331, 11169)]