2856247821

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1105787}}^1$

素因数の和:1105841

約数の個数: 24

約数和(自身を含む): 4830081984

約数和(自身を除く): 1973834163

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 1105787, 3317361, 7740509, 9952083, 23221527, 45337267, 69664581, 136011801, 317360869, 408035403, 952082607, 2856247821]

約数ペア:

[(1, 2856247821), (3, 952082607), (7, 408035403), (9, 317360869), (21, 136011801), (41, 69664581), (63, 45337267), (123, 23221527), (287, 9952083), (369, 7740509), (861, 3317361), (2583, 1105787)]