81570906

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 181621440

約数和(自身を除く): 100050534

約数列:

[1, 2, 3, 6, 9, 18, 71, 83, 142, 166, 213, 249, 426, 498, 639, 747, 769, 1278, 1494, 1538, 2307, 4614, 5893, 6921, 11786, 13842, 17679, 35358, 53037, 54599, 63827, 106074, 109198, 127654, 163797, 191481, 327594, 382962, 491391, 574443, 982782, 1148886, 4531717, 9063434, 13595151, 27190302, 40785453, 81570906]

約数ペア:

[(1, 81570906), (2, 40785453), (3, 27190302), (6, 13595151), (9, 9063434), (18, 4531717), (71, 1148886), (83, 982782), (142, 574443), (166, 491391), (213, 382962), (249, 327594), (426, 191481), (498, 163797), (639, 127654), (747, 109198), (769, 106074), (1278, 63827), (1494, 54599), (1538, 53037), (2307, 35358), (4614, 17679), (5893, 13842), (6921, 11786)]