28214721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{136303}}^1$

素因数の和:136332

約数の個数: 12

約数和(自身を含む): 42526848

約数和(自身を除く): 14312127

約数列:

[1, 3, 9, 23, 69, 207, 136303, 408909, 1226727, 3134969, 9404907, 28214721]

約数ペア:

[(1, 28214721), (3, 9404907), (9, 3134969), (23, 1226727), (69, 408909), (207, 136303)]