31191277

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1249}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 35910000

約数和(自身を除く): 4718723

約数列:

[1, 13, 17, 113, 221, 1249, 1469, 1921, 16237, 21233, 24973, 141137, 276029, 1834781, 2399329, 31191277]

約数ペア:

[(1, 31191277), (13, 2399329), (17, 1834781), (113, 276029), (221, 141137), (1249, 24973), (1469, 21233), (1921, 16237)]