28001511

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 43998720

約数和(自身を除く): 15997209

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 603, 621, 673, 1541, 1809, 2019, 4623, 6057, 13869, 15479, 18171, 41607, 45091, 46437, 135273, 139311, 405819, 417933, 1037093, 1217457, 3111279, 9333837, 28001511]

約数ペア:

[(1, 28001511), (3, 9333837), (9, 3111279), (23, 1217457), (27, 1037093), (67, 417933), (69, 405819), (201, 139311), (207, 135273), (603, 46437), (621, 45091), (673, 41607), (1541, 18171), (1809, 15479), (2019, 13869), (4623, 6057)]