28072647

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 41530320

約数和(自身を除く): 13457673

約数列:

[1, 3, 9, 89, 101, 267, 303, 347, 801, 909, 1041, 3123, 8989, 26967, 30883, 35047, 80901, 92649, 105141, 277947, 315423, 3119183, 9357549, 28072647]

約数ペア:

[(1, 28072647), (3, 9357549), (9, 3119183), (89, 315423), (101, 277947), (267, 105141), (303, 92649), (347, 80901), (801, 35047), (909, 30883), (1041, 26967), (3123, 8989)]