285207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:190

約数の個数: 16

約数和(自身を含む): 419328

約数和(自身を除く): 134121

約数列:

[1, 3, 13, 39, 71, 103, 213, 309, 923, 1339, 2769, 4017, 7313, 21939, 95069, 285207]

約数ペア:

[(1, 285207), (3, 95069), (13, 21939), (39, 7313), (71, 4017), (103, 2769), (213, 1339), (309, 923)]