77920557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 125381760

約数和(自身を除く): 47461203

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 4909, 5291, 14727, 15873, 53999, 63817, 161997, 181633, 191451, 544899, 701987, 1997963, 2105961, 2361229, 5993889, 7083687, 25973519, 77920557]

約数ペア:

[(1, 77920557), (3, 25973519), (11, 7083687), (13, 5993889), (33, 2361229), (37, 2105961), (39, 1997963), (111, 701987), (143, 544899), (407, 191451), (429, 181633), (481, 161997), (1221, 63817), (1443, 53999), (4909, 15873), (5291, 14727)]