66916521

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{3061}}^1$

素因数の和:3421

約数の個数: 24

約数和(自身を含む): 110819904

約数和(自身を除く): 43903383

約数列:

[1, 3, 7, 9, 21, 63, 347, 1041, 2429, 3061, 3123, 7287, 9183, 21427, 21861, 27549, 64281, 192843, 1062167, 3186501, 7435169, 9559503, 22305507, 66916521]

約数ペア:

[(1, 66916521), (3, 22305507), (7, 9559503), (9, 7435169), (21, 3186501), (63, 1062167), (347, 192843), (1041, 64281), (2429, 27549), (3061, 21861), (3123, 21427), (7287, 9183)]