1256222799

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{825919}}^1$

素因数の和:825951

約数の個数: 18

約数和(自身を含む): 1964863680

約数和(自身を除く): 708640881

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 825919, 2477757, 7433271, 10736947, 32210841, 96632523, 139580311, 418740933, 1256222799]

約数ペア:

[(1, 1256222799), (3, 418740933), (9, 139580311), (13, 96632523), (39, 32210841), (117, 10736947), (169, 7433271), (507, 2477757), (1521, 825919)]