28826973

素因数分解:

$3^2\times 7^1\times {\mathrm{457571}}^1$

素因数の和:457584

約数の個数: 12

約数和(自身を含む): 47587488

約数和(自身を除く): 18760515

約数列:

[1, 3, 7, 9, 21, 63, 457571, 1372713, 3202997, 4118139, 9608991, 28826973]

約数ペア:

[(1, 28826973), (3, 9608991), (7, 4118139), (9, 3202997), (21, 1372713), (63, 457571)]