81119721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{8731}}^1$

素因数の和:8916

約数の個数: 16

約数和(自身を含む): 114563840

約数和(自身を除く): 33444119

約数列:

[1, 3, 19, 57, 163, 489, 3097, 8731, 9291, 26193, 165889, 497667, 1423153, 4269459, 27039907, 81119721]

約数ペア:

[(1, 81119721), (3, 27039907), (19, 4269459), (57, 1423153), (163, 497667), (489, 165889), (3097, 26193), (8731, 9291)]