201785721

素因数分解:

$3^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 271389888

約数和(自身を除く): 69604167

約数列:

[1, 3, 197, 421, 591, 811, 1263, 2433, 82937, 159767, 248811, 341431, 479301, 1024293, 67261907, 201785721]

約数ペア:

[(1, 201785721), (3, 67261907), (197, 1024293), (421, 479301), (591, 341431), (811, 248811), (1263, 159767), (2433, 82937)]