28786197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1481}}^1$

素因数の和:1545

約数の個数: 32

約数和(自身を含む): 45527040

約数和(自身を除く): 16740843

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1023, 1481, 1767, 4443, 6479, 16291, 19437, 28139, 45911, 48873, 84417, 137733, 309529, 505021, 872309, 928587, 1515063, 2616927, 9595399, 28786197]

約数ペア:

[(1, 28786197), (3, 9595399), (11, 2616927), (19, 1515063), (31, 928587), (33, 872309), (57, 505021), (93, 309529), (209, 137733), (341, 84417), (589, 48873), (627, 45911), (1023, 28139), (1481, 19437), (1767, 16291), (4443, 6479)]