208672395

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{1319}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 133471605

約数列:

[1, 3, 5, 15, 53, 159, 199, 265, 597, 795, 995, 1319, 2985, 3957, 6595, 10547, 19785, 31641, 52735, 69907, 158205, 209721, 262481, 349535, 787443, 1048605, 1312405, 3937215, 13911493, 41734479, 69557465, 208672395]

約数ペア:

[(1, 208672395), (3, 69557465), (5, 41734479), (15, 13911493), (53, 3937215), (159, 1312405), (199, 1048605), (265, 787443), (597, 349535), (795, 262481), (995, 209721), (1319, 158205), (2985, 69907), (3957, 52735), (6595, 31641), (10547, 19785)]