890127

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 1497600

約数和(自身を除く): 607473

約数列:

[1, 3, 7, 9, 21, 63, 71, 199, 213, 497, 597, 639, 1393, 1491, 1791, 4179, 4473, 12537, 14129, 42387, 98903, 127161, 296709, 890127]

約数ペア:

[(1, 890127), (3, 296709), (7, 127161), (9, 98903), (21, 42387), (63, 14129), (71, 12537), (199, 4473), (213, 4179), (497, 1791), (597, 1491), (639, 1393)]