172662021

素因数分解:

$3^2\times 7^1\times {\mathrm{2740667}}^1$

素因数の和:2740680

約数の個数: 12

約数和(自身を含む): 285029472

約数和(自身を除く): 112367451

約数列:

[1, 3, 7, 9, 21, 63, 2740667, 8222001, 19184669, 24666003, 57554007, 172662021]

約数ペア:

[(1, 172662021), (3, 57554007), (7, 24666003), (9, 19184669), (21, 8222001), (63, 2740667)]