156728007

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 237557760

約数和(自身を除く): 80829753

約数列:

[1, 3, 9, 27, 73, 131, 219, 393, 607, 657, 1179, 1821, 1971, 3537, 5463, 9563, 16389, 28689, 44311, 79517, 86067, 132933, 238551, 258201, 398799, 715653, 1196397, 2146959, 5804741, 17414223, 52242669, 156728007]

約数ペア:

[(1, 156728007), (3, 52242669), (9, 17414223), (27, 5804741), (73, 2146959), (131, 1196397), (219, 715653), (393, 398799), (607, 258201), (657, 238551), (1179, 132933), (1821, 86067), (1971, 79517), (3537, 44311), (5463, 28689), (9563, 16389)]