31574439

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{20759}}^1$

素因数の和:20791

約数の個数: 18

約数和(自身を含む): 49388040

約数和(自身を除く): 17813601

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 20759, 62277, 186831, 269867, 809601, 2428803, 3508271, 10524813, 31574439]

約数ペア:

[(1, 31574439), (3, 10524813), (9, 3508271), (13, 2428803), (39, 809601), (117, 269867), (169, 186831), (507, 62277), (1521, 20759)]