31411393

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1597}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 36242640

約数和(自身を除く): 4831247

約数列:

[1, 13, 17, 89, 221, 1157, 1513, 1597, 19669, 20761, 27149, 142133, 352937, 1847729, 2416261, 31411393]

約数ペア:

[(1, 31411393), (13, 2416261), (17, 1847729), (89, 352937), (221, 142133), (1157, 27149), (1513, 20761), (1597, 19669)]