222389721

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{667837}}^1$

素因数の和:667880

約数の個数: 12

約数和(自身を含む): 329911972

約数和(自身を除く): 107522251

約数列:

[1, 3, 9, 37, 111, 333, 667837, 2003511, 6010533, 24709969, 74129907, 222389721]

約数ペア:

[(1, 222389721), (3, 74129907), (9, 24709969), (37, 6010533), (111, 2003511), (333, 667837)]