81386613

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13049}}^1$

素因数の和:13079

約数の個数: 40

約数和(自身を含む): 151588800

約数和(自身を除く): 70202187

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 13049, 39147, 91343, 117441, 143539, 274029, 352323, 430617, 822087, 1004773, 1056969, 1291851, 2466261, 3014319, 3875553, 7398783, 9042957, 11626659, 27128871, 81386613]

約数ペア:

[(1, 81386613), (3, 27128871), (7, 11626659), (9, 9042957), (11, 7398783), (21, 3875553), (27, 3014319), (33, 2466261), (63, 1291851), (77, 1056969), (81, 1004773), (99, 822087), (189, 430617), (231, 352323), (297, 274029), (567, 143539), (693, 117441), (891, 91343), (2079, 39147), (6237, 13049)]