72487953

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{2579}}^1$

素因数の和:2938

約数の個数: 20

約数和(自身を含む): 108638640

約数和(自身を除く): 36150687

約数列:

[1, 3, 9, 27, 81, 347, 1041, 2579, 3123, 7737, 9369, 23211, 28107, 69633, 208899, 894913, 2684739, 8054217, 24162651, 72487953]

約数ペア:

[(1, 72487953), (3, 24162651), (9, 8054217), (27, 2684739), (81, 894913), (347, 208899), (1041, 69633), (2579, 28107), (3123, 23211), (7737, 9369)]