28783531

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{2707}}^1$

素因数の和:2759

約数の個数: 16

約数和(自身を含む): 34662400

約数和(自身を除く): 5878869

約数列:

[1, 7, 31, 49, 217, 343, 1519, 2707, 10633, 18949, 83917, 132643, 587419, 928501, 4111933, 28783531]

約数ペア:

[(1, 28783531), (7, 4111933), (31, 928501), (49, 587419), (217, 132643), (343, 83917), (1519, 18949), (2707, 10633)]