312717431

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1223}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 362867040

約数和(自身を除く): 50149609

約数列:

[1, 13, 17, 89, 169, 221, 1157, 1223, 1513, 2873, 15041, 15899, 19669, 20791, 108847, 206687, 255697, 270283, 1415011, 1850399, 3513679, 18395143, 24055187, 312717431]

約数ペア:

[(1, 312717431), (13, 24055187), (17, 18395143), (89, 3513679), (169, 1850399), (221, 1415011), (1157, 270283), (1223, 255697), (1513, 206687), (2873, 108847), (15041, 20791), (15899, 19669)]