80798781

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1153}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 127623168

約数和(自身を除く): 46824387

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 497, 987, 1153, 1491, 3337, 3459, 8071, 10011, 23359, 24213, 54191, 70077, 81863, 162573, 245589, 379337, 573041, 1138011, 1719123, 3847561, 11542683, 26932927, 80798781]

約数ペア:

[(1, 80798781), (3, 26932927), (7, 11542683), (21, 3847561), (47, 1719123), (71, 1138011), (141, 573041), (213, 379337), (329, 245589), (497, 162573), (987, 81863), (1153, 70077), (1491, 54191), (3337, 24213), (3459, 23359), (8071, 10011)]