749115927

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{17989}}^1$

素因数の和:18663

約数の個数: 24

約数和(自身を含む): 1238575520

約数和(自身を除く): 489459593

約数列:

[1, 3, 7, 9, 21, 63, 661, 1983, 4627, 5949, 13881, 17989, 41643, 53967, 125923, 161901, 377769, 1133307, 11890729, 35672187, 83235103, 107016561, 249705309, 749115927]

約数ペア:

[(1, 749115927), (3, 249705309), (7, 107016561), (9, 83235103), (21, 35672187), (63, 11890729), (661, 1133307), (1983, 377769), (4627, 161901), (5949, 125923), (13881, 53967), (17989, 41643)]