81496782

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1605

約数の個数: 48

約数和(自身を含む): 183351168

約数和(自身を除く): 101854386

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 639, 774, 1278, 1483, 2966, 3053, 4449, 6106, 8898, 9159, 13347, 18318, 26694, 27477, 54954, 63769, 105293, 127538, 191307, 210586, 315879, 382614, 573921, 631758, 947637, 1147842, 1895274, 4527599, 9055198, 13582797, 27165594, 40748391, 81496782]

約数ペア:

[(1, 81496782), (2, 40748391), (3, 27165594), (6, 13582797), (9, 9055198), (18, 4527599), (43, 1895274), (71, 1147842), (86, 947637), (129, 631758), (142, 573921), (213, 382614), (258, 315879), (387, 210586), (426, 191307), (639, 127538), (774, 105293), (1278, 63769), (1483, 54954), (2966, 27477), (3053, 26694), (4449, 18318), (6106, 13347), (8898, 9159)]