28648521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 46476144

約数和(自身を除く): 17827623

約数列:

[1, 3, 9, 11, 33, 47, 99, 131, 141, 393, 423, 517, 1179, 1441, 1551, 2209, 4323, 4653, 6157, 6627, 12969, 18471, 19881, 24299, 55413, 67727, 72897, 203181, 218691, 289379, 609543, 868137, 2604411, 3183169, 9549507, 28648521]

約数ペア:

[(1, 28648521), (3, 9549507), (9, 3183169), (11, 2604411), (33, 868137), (47, 609543), (99, 289379), (131, 218691), (141, 203181), (393, 72897), (423, 67727), (517, 55413), (1179, 24299), (1441, 19881), (1551, 18471), (2209, 12969), (4323, 6627), (4653, 6157)]