139509905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4093}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 177745104

約数和(自身を除く): 38235199

約数列:

[1, 5, 17, 85, 401, 2005, 4093, 6817, 20465, 34085, 69581, 347905, 1641293, 8206465, 27901981, 139509905]

約数ペア:

[(1, 139509905), (5, 27901981), (17, 8206465), (85, 1641293), (401, 347905), (2005, 69581), (4093, 34085), (6817, 20465)]