12881601

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1061}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 19880640

約数和(自身を除く): 6999039

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1061, 1349, 3183, 4047, 9549, 12141, 20159, 60477, 75331, 181431, 225993, 677979, 1431289, 4293867, 12881601]

約数ペア:

[(1, 12881601), (3, 4293867), (9, 1431289), (19, 677979), (57, 225993), (71, 181431), (171, 75331), (213, 60477), (639, 20159), (1061, 12141), (1349, 9549), (3183, 4047)]