81972828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14143}}^1$

素因数の和:14183

約数の個数: 72

約数和(自身を含む): 247123968

約数和(自身を除く): 165151140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 5796, 14143, 28286, 42429, 56572, 84858, 99001, 127287, 169716, 198002, 254574, 297003, 325289, 396004, 509148, 594006, 650578, 891009, 975867, 1188012, 1301156, 1782018, 1951734, 2277023, 2927601, 3564036, 3903468, 4554046, 5855202, 6831069, 9108092, 11710404, 13662138, 20493207, 27324276, 40986414, 81972828]

約数ペア:

[(1, 81972828), (2, 40986414), (3, 27324276), (4, 20493207), (6, 13662138), (7, 11710404), (9, 9108092), (12, 6831069), (14, 5855202), (18, 4554046), (21, 3903468), (23, 3564036), (28, 2927601), (36, 2277023), (42, 1951734), (46, 1782018), (63, 1301156), (69, 1188012), (84, 975867), (92, 891009), (126, 650578), (138, 594006), (161, 509148), (207, 396004), (252, 325289), (276, 297003), (322, 254574), (414, 198002), (483, 169716), (644, 127287), (828, 99001), (966, 84858), (1449, 56572), (1932, 42429), (2898, 28286), (5796, 14143)]