28920969

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4637}}^1$

素因数の和:4667

約数の個数: 40

約数和(自身を含む): 53875008

約数和(自身を除く): 24954039

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 4637, 6237, 13911, 32459, 41733, 51007, 97377, 125199, 153021, 292131, 357049, 375597, 459063, 876393, 1071147, 1377189, 2629179, 3213441, 4131567, 9640323, 28920969]

約数ペア:

[(1, 28920969), (3, 9640323), (7, 4131567), (9, 3213441), (11, 2629179), (21, 1377189), (27, 1071147), (33, 876393), (63, 459063), (77, 375597), (81, 357049), (99, 292131), (189, 153021), (231, 125199), (297, 97377), (567, 51007), (693, 41733), (891, 32459), (2079, 13911), (4637, 6237)]