128669619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 189504000

約数和(自身を除く): 60834381

約数列:

[1, 3, 13, 39, 59, 177, 199, 281, 597, 767, 843, 2301, 2587, 3653, 7761, 10959, 11741, 16579, 35223, 49737, 55919, 152633, 167757, 215527, 457899, 646581, 726947, 2180841, 3299221, 9897663, 42889873, 128669619]

約数ペア:

[(1, 128669619), (3, 42889873), (13, 9897663), (39, 3299221), (59, 2180841), (177, 726947), (199, 646581), (281, 457899), (597, 215527), (767, 167757), (843, 152633), (2301, 55919), (2587, 49737), (3653, 35223), (7761, 16579), (10959, 11741)]