55215729

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2909}}^1$

素因数の和:2974

約数の個数: 32

約数和(自身を含む): 88464000

約数和(自身を除く): 33248271

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 703, 999, 2109, 2909, 6327, 8727, 18981, 26181, 55271, 78543, 107633, 165813, 322899, 497439, 968697, 1492317, 2045027, 2906091, 6135081, 18405243, 55215729]

約数ペア:

[(1, 55215729), (3, 18405243), (9, 6135081), (19, 2906091), (27, 2045027), (37, 1492317), (57, 968697), (111, 497439), (171, 322899), (333, 165813), (513, 107633), (703, 78543), (999, 55271), (2109, 26181), (2909, 18981), (6327, 8727)]