1680453957

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{8467}}^1$

素因数の和:9217

約数の個数: 32

約数和(自身を含む): 2761787392

約数和(自身を除く): 1081333435

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 727, 2181, 5089, 8467, 9451, 15267, 25401, 28353, 59269, 66157, 110071, 177807, 198471, 330213, 770497, 2311491, 6155509, 18466527, 43088563, 80021617, 129265689, 240064851, 560151319, 1680453957]

約数ペア:

[(1, 1680453957), (3, 560151319), (7, 240064851), (13, 129265689), (21, 80021617), (39, 43088563), (91, 18466527), (273, 6155509), (727, 2311491), (2181, 770497), (5089, 330213), (8467, 198471), (9451, 177807), (15267, 110071), (25401, 66157), (28353, 59269)]