31904379

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9403}}^1$

素因数の和:9451

約数の個数: 24

約数和(自身を含む): 51345840

約数和(自身を除く): 19441461

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 9403, 28209, 84627, 122239, 272687, 366717, 818061, 1100151, 2454183, 3544931, 10634793, 31904379]

約数ペア:

[(1, 31904379), (3, 10634793), (9, 3544931), (13, 2454183), (29, 1100151), (39, 818061), (87, 366717), (117, 272687), (261, 122239), (377, 84627), (1131, 28209), (3393, 9403)]