78773721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{439}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 38315559

約数列:

[1, 3, 13, 39, 43, 107, 129, 321, 439, 559, 1317, 1391, 1677, 4173, 4601, 5707, 13803, 17121, 18877, 46973, 56631, 59813, 140919, 179439, 245401, 610649, 736203, 1831947, 2019839, 6059517, 26257907, 78773721]

約数ペア:

[(1, 78773721), (3, 26257907), (13, 6059517), (39, 2019839), (43, 1831947), (107, 736203), (129, 610649), (321, 245401), (439, 179439), (559, 140919), (1317, 59813), (1391, 56631), (1677, 46973), (4173, 18877), (4601, 17121), (5707, 13803)]