16672263

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 7713273

約数列:

[1, 3, 23, 47, 53, 69, 97, 141, 159, 291, 1081, 1219, 2231, 2491, 3243, 3657, 4559, 5141, 6693, 7473, 13677, 15423, 57293, 104857, 118243, 171879, 241627, 314571, 354729, 724881, 5557421, 16672263]

約数ペア:

[(1, 16672263), (3, 5557421), (23, 724881), (47, 354729), (53, 314571), (69, 241627), (97, 171879), (141, 118243), (159, 104857), (291, 57293), (1081, 15423), (1219, 13677), (2231, 7473), (2491, 6693), (3243, 5141), (3657, 4559)]