28066881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4201}}^1$

素因数の和:4352

約数の個数: 16

約数和(自身を含む): 39935808

約数和(自身を除く): 11868927

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4201, 6681, 12603, 71417, 214251, 550331, 1650993, 9355627, 28066881]

約数ペア:

[(1, 28066881), (3, 9355627), (17, 1650993), (51, 550331), (131, 214251), (393, 71417), (2227, 12603), (4201, 6681)]