71582121

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 124040280

約数和(自身を除く): 52458159

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 73, 87, 117, 153, 219, 221, 261, 289, 377, 493, 657, 663, 867, 949, 1131, 1241, 1479, 1989, 2117, 2601, 2847, 3393, 3723, 3757, 4437, 6351, 6409, 8381, 8541, 11169, 11271, 16133, 19053, 19227, 21097, 25143, 27521, 33813, 35989, 48399, 57681, 63291, 75429, 82563, 107967, 108953, 145197, 189873, 247689, 274261, 323901, 326859, 467857, 611813, 822783, 980577, 1403571, 1835439, 2468349, 4210713, 5506317, 7953569, 23860707, 71582121]

約数ペア:

[(1, 71582121), (3, 23860707), (9, 7953569), (13, 5506317), (17, 4210713), (29, 2468349), (39, 1835439), (51, 1403571), (73, 980577), (87, 822783), (117, 611813), (153, 467857), (219, 326859), (221, 323901), (261, 274261), (289, 247689), (377, 189873), (493, 145197), (657, 108953), (663, 107967), (867, 82563), (949, 75429), (1131, 63291), (1241, 57681), (1479, 48399), (1989, 35989), (2117, 33813), (2601, 27521), (2847, 25143), (3393, 21097), (3723, 19227), (3757, 19053), (4437, 16133), (6351, 11271), (6409, 11169), (8381, 8541)]