28172289

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1009}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 38687040

約数和(自身を除く): 10514751

約数列:

[1, 3, 41, 123, 227, 681, 1009, 3027, 9307, 27921, 41369, 124107, 229043, 687129, 9390763, 28172289]

約数ペア:

[(1, 28172289), (3, 9390763), (41, 687129), (123, 229043), (227, 124107), (681, 41369), (1009, 27921), (3027, 9307)]