81912783

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 120427776

約数和(自身を除く): 38514993

約数列:

[1, 3, 17, 37, 51, 83, 111, 249, 523, 629, 1411, 1569, 1887, 3071, 4233, 8891, 9213, 19351, 26673, 43409, 52207, 58053, 130227, 156621, 328967, 737953, 986901, 1606133, 2213859, 4818399, 27304261, 81912783]

約数ペア:

[(1, 81912783), (3, 27304261), (17, 4818399), (37, 2213859), (51, 1606133), (83, 986901), (111, 737953), (249, 328967), (523, 156621), (629, 130227), (1411, 58053), (1569, 52207), (1887, 43409), (3071, 26673), (4233, 19351), (8891, 9213)]