81249003

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 134944992

約数和(自身を除く): 53695989

約数列:

[1, 3, 9, 11, 33, 37, 41, 99, 111, 123, 333, 369, 407, 451, 541, 1221, 1353, 1517, 1623, 3663, 4059, 4551, 4869, 5951, 13653, 16687, 17853, 20017, 22181, 50061, 53559, 60051, 66543, 150183, 180153, 199629, 220187, 243991, 660561, 731973, 820697, 1981683, 2195919, 2462091, 7386273, 9027667, 27083001, 81249003]

約数ペア:

[(1, 81249003), (3, 27083001), (9, 9027667), (11, 7386273), (33, 2462091), (37, 2195919), (41, 1981683), (99, 820697), (111, 731973), (123, 660561), (333, 243991), (369, 220187), (407, 199629), (451, 180153), (541, 150183), (1221, 66543), (1353, 60051), (1517, 53559), (1623, 50061), (3663, 22181), (4059, 20017), (4551, 17853), (4869, 16687), (5951, 13653)]