65249919

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 114816000

約数和(自身を除く): 49566081

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 919, 1029, 1127, 1449, 2757, 3087, 3381, 6433, 7889, 8271, 10143, 19299, 21137, 23667, 45031, 57897, 63411, 71001, 135093, 147959, 190233, 315217, 405279, 443877, 945651, 1035713, 1331631, 2836953, 3107139, 7249991, 9321417, 21749973, 65249919]

約数ペア:

[(1, 65249919), (3, 21749973), (7, 9321417), (9, 7249991), (21, 3107139), (23, 2836953), (49, 1331631), (63, 1035713), (69, 945651), (147, 443877), (161, 405279), (207, 315217), (343, 190233), (441, 147959), (483, 135093), (919, 71001), (1029, 63411), (1127, 57897), (1449, 45031), (2757, 23667), (3087, 21137), (3381, 19299), (6433, 10143), (7889, 8271)]