17943281667

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{3529}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 26895211200

約数和(自身を除く): 8951929533

約数列:

[1, 3, 9, 71, 73, 109, 213, 219, 327, 639, 657, 981, 3529, 5183, 7739, 7957, 10587, 15549, 23217, 23871, 31761, 46647, 69651, 71613, 250559, 257617, 384661, 564947, 751677, 772851, 1153983, 1694841, 2255031, 2318553, 3461949, 5084523, 18290807, 27310931, 28080253, 54872421, 81932793, 84240759, 164617263, 245798379, 252722277, 1993697963, 5981093889, 17943281667]

約数ペア:

[(1, 17943281667), (3, 5981093889), (9, 1993697963), (71, 252722277), (73, 245798379), (109, 164617263), (213, 84240759), (219, 81932793), (327, 54872421), (639, 28080253), (657, 27310931), (981, 18290807), (3529, 5084523), (5183, 3461949), (7739, 2318553), (7957, 2255031), (10587, 1694841), (15549, 1153983), (23217, 772851), (23871, 751677), (31761, 564947), (46647, 384661), (69651, 257617), (71613, 250559)]