90403857

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{15289}}^1$

素因数の和:15374

約数の個数: 20

約数和(自身を含む): 136906660

約数和(自身を除く): 46502803

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 15289, 45867, 137601, 412803, 1116097, 1238409, 3348291, 10044873, 30134619, 90403857]

約数ペア:

[(1, 90403857), (3, 30134619), (9, 10044873), (27, 3348291), (73, 1238409), (81, 1116097), (219, 412803), (657, 137601), (1971, 45867), (5913, 15289)]