2021691789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{39541}}^1$

素因数の和:39602

約数の個数: 48

約数和(自身を含む): 3454389120

約数和(自身を除く): 1432697331

約数列:

[1, 3, 9, 13, 19, 23, 39, 57, 69, 117, 171, 207, 247, 299, 437, 741, 897, 1311, 2223, 2691, 3933, 5681, 17043, 39541, 51129, 118623, 355869, 514033, 751279, 909443, 1542099, 2253837, 2728329, 4626297, 6761511, 8184987, 9766627, 11822759, 17279417, 29299881, 35468277, 51838251, 87899643, 106404831, 155514753, 224632421, 673897263, 2021691789]

約数ペア:

[(1, 2021691789), (3, 673897263), (9, 224632421), (13, 155514753), (19, 106404831), (23, 87899643), (39, 51838251), (57, 35468277), (69, 29299881), (117, 17279417), (171, 11822759), (207, 9766627), (247, 8184987), (299, 6761511), (437, 4626297), (741, 2728329), (897, 2253837), (1311, 1542099), (2223, 909443), (2691, 751279), (3933, 514033), (5681, 355869), (17043, 118623), (39541, 51129)]