31491189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3019}}^1$

素因数の和:3105

約数の個数: 24

約数和(自身を含む): 48682400

約数和(自身を除く): 17191211

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 3019, 3477, 9057, 10431, 27171, 57361, 172083, 184159, 516249, 552477, 1657431, 3499021, 10497063, 31491189]

約数ペア:

[(1, 31491189), (3, 10497063), (9, 3499021), (19, 1657431), (57, 552477), (61, 516249), (171, 184159), (183, 172083), (549, 57361), (1159, 27171), (3019, 10431), (3477, 9057)]