2784996837

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{213557}}^1$

素因数の和:213599

約数の個数: 40

約数和(自身を含む): 4961379456

約数和(自身を除く): 2176382619

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 13041, 213557, 640671, 1494899, 1922013, 4484697, 4911811, 5766039, 13454091, 14735433, 17298117, 34382677, 40362273, 44206299, 103148031, 121086819, 132618897, 309444093, 397856691, 928332279, 2784996837]

約数ペア:

[(1, 2784996837), (3, 928332279), (7, 397856691), (9, 309444093), (21, 132618897), (23, 121086819), (27, 103148031), (63, 44206299), (69, 40362273), (81, 34382677), (161, 17298117), (189, 14735433), (207, 13454091), (483, 5766039), (567, 4911811), (621, 4484697), (1449, 1922013), (1863, 1494899), (4347, 640671), (13041, 213557)]