71481787

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{1787}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 82004832

約数和(自身を除く): 10523045

約数列:

[1, 13, 17, 181, 221, 1787, 2353, 3077, 23231, 30379, 40001, 323447, 394927, 4204811, 5498599, 71481787]

約数ペア:

[(1, 71481787), (13, 5498599), (17, 4204811), (181, 394927), (221, 323447), (1787, 40001), (2353, 30379), (3077, 23231)]