28279647

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{863}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 44748288

約数和(自身を除く): 16468641

約数列:

[1, 3, 9, 11, 33, 99, 331, 863, 993, 2589, 2979, 3641, 7767, 9493, 10923, 28479, 32769, 85437, 285653, 856959, 2570877, 3142183, 9426549, 28279647]

約数ペア:

[(1, 28279647), (3, 9426549), (9, 3142183), (11, 2570877), (33, 856959), (99, 285653), (331, 85437), (863, 32769), (993, 28479), (2589, 10923), (2979, 9493), (3641, 7767)]