28987797

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{2347}}^1$

素因数の和:2552

約数の個数: 16

約数和(自身を含む): 40573440

約数和(自身を除く): 11585643

約数列:

[1, 3, 23, 69, 179, 537, 2347, 4117, 7041, 12351, 53981, 161943, 420113, 1260339, 9662599, 28987797]

約数ペア:

[(1, 28987797), (3, 9662599), (23, 1260339), (69, 420113), (179, 161943), (537, 53981), (2347, 12351), (4117, 7041)]