161699823

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{21991}}^1$

素因数の和:22059

約数の個数: 24

約数和(自身を含む): 251588480

約数和(自身を除く): 89888657

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 21991, 65973, 197919, 417829, 945613, 1253487, 2836839, 3760461, 8510517, 17966647, 53899941, 161699823]

約数ペア:

[(1, 161699823), (3, 53899941), (9, 17966647), (19, 8510517), (43, 3760461), (57, 2836839), (129, 1253487), (171, 945613), (387, 417829), (817, 197919), (2451, 65973), (7353, 21991)]