71693289

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139753}}^1$

素因数の和:139781

約数の個数: 16

約数和(自身を含む): 111803200

約数和(自身を除く): 40109911

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 139753, 419259, 1257777, 2655307, 3773331, 7965921, 23897763, 71693289]

約数ペア:

[(1, 71693289), (3, 23897763), (9, 7965921), (19, 3773331), (27, 2655307), (57, 1257777), (171, 419259), (513, 139753)]