81863781

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:589

約数の個数: 24

約数和(自身を含む): 114888384

約数和(自身を除く): 33024603

約数列:

[1, 3, 29, 71, 87, 213, 457, 841, 1371, 2059, 2523, 6177, 13253, 32447, 39759, 59711, 97341, 179133, 384337, 940963, 1153011, 2822889, 27287927, 81863781]

約数ペア:

[(1, 81863781), (3, 27287927), (29, 2822889), (71, 1153011), (87, 940963), (213, 384337), (457, 179133), (841, 97341), (1371, 59711), (2059, 39759), (2523, 32447), (6177, 13253)]