13291257

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 7997703

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 359, 861, 903, 1077, 1763, 2513, 5289, 7539, 12341, 14719, 15437, 37023, 44157, 46311, 103033, 108059, 309099, 324177, 632917, 1898751, 4430419, 13291257]

約数ペア:

[(1, 13291257), (3, 4430419), (7, 1898751), (21, 632917), (41, 324177), (43, 309099), (123, 108059), (129, 103033), (287, 46311), (301, 44157), (359, 37023), (861, 15437), (903, 14719), (1077, 12341), (1763, 7539), (2513, 5289)]