81625806

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:415

約数の個数: 80

約数和(自身を含む): 196176816

約数和(自身を除く): 114551010

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 107, 153, 162, 214, 277, 306, 321, 459, 554, 642, 831, 918, 963, 1377, 1662, 1819, 1926, 2493, 2754, 2889, 3638, 4709, 4986, 5457, 5778, 7479, 8667, 9418, 10914, 14127, 14958, 16371, 17334, 22437, 28254, 29639, 32742, 42381, 44874, 49113, 59278, 84762, 88917, 98226, 127143, 147339, 177834, 254286, 266751, 294678, 381429, 503863, 533502, 762858, 800253, 1007726, 1511589, 1600506, 2400759, 3023178, 4534767, 4801518, 9069534, 13604301, 27208602, 40812903, 81625806]

約数ペア:

[(1, 81625806), (2, 40812903), (3, 27208602), (6, 13604301), (9, 9069534), (17, 4801518), (18, 4534767), (27, 3023178), (34, 2400759), (51, 1600506), (54, 1511589), (81, 1007726), (102, 800253), (107, 762858), (153, 533502), (162, 503863), (214, 381429), (277, 294678), (306, 266751), (321, 254286), (459, 177834), (554, 147339), (642, 127143), (831, 98226), (918, 88917), (963, 84762), (1377, 59278), (1662, 49113), (1819, 44874), (1926, 42381), (2493, 32742), (2754, 29639), (2889, 28254), (3638, 22437), (4709, 17334), (4986, 16371), (5457, 14958), (5778, 14127), (7479, 10914), (8667, 9418)]