85581981

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{47309}}^1$

素因数の和:47385

約数の個数: 16

約数和(自身を含む): 128683200

約数和(自身を除く): 43101219

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 47309, 141927, 425781, 1277343, 3169703, 9509109, 28527327, 85581981]

約数ペア:

[(1, 85581981), (3, 28527327), (9, 9509109), (27, 3169703), (67, 1277343), (201, 425781), (603, 141927), (1809, 47309)]