28821909

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{647}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 39813120

約数和(自身を除く): 10991211

約数列:

[1, 3, 31, 93, 479, 647, 1437, 1941, 14849, 20057, 44547, 60171, 309913, 929739, 9607303, 28821909]

約数ペア:

[(1, 28821909), (3, 9607303), (31, 929739), (93, 309913), (479, 60171), (647, 44547), (1437, 20057), (1941, 14849)]