16640937

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 26050560

約数和(自身を除く): 9409623

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 211, 381, 621, 633, 1143, 1899, 2921, 3429, 4853, 5697, 8763, 14559, 26289, 26797, 43677, 78867, 80391, 131031, 241173, 616331, 723519, 1848993, 5546979, 16640937]

約数ペア:

[(1, 16640937), (3, 5546979), (9, 1848993), (23, 723519), (27, 616331), (69, 241173), (127, 131031), (207, 80391), (211, 78867), (381, 43677), (621, 26797), (633, 26289), (1143, 14559), (1899, 8763), (2921, 5697), (3429, 4853)]