131058291

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{68581}}^1$

素因数の和:68611

約数の個数: 24

約数和(自身を含む): 218913744

約数和(自身を除く): 87855453

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 68581, 205743, 480067, 891553, 1440201, 2674659, 3360469, 6240871, 10081407, 18722613, 43686097, 131058291]

約数ペア:

[(1, 131058291), (3, 43686097), (7, 18722613), (13, 10081407), (21, 6240871), (39, 3360469), (49, 2674659), (91, 1440201), (147, 891553), (273, 480067), (637, 205743), (1911, 68581)]