128220219

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{26237}}^1$

素因数の和:26427

約数の個数: 16

約数和(自身を含む): 191012640

約数和(自身を除く): 62792421

約数列:

[1, 3, 9, 27, 181, 543, 1629, 4887, 26237, 78711, 236133, 708399, 4748897, 14246691, 42740073, 128220219]

約数ペア:

[(1, 128220219), (3, 42740073), (9, 14246691), (27, 4748897), (181, 708399), (543, 236133), (1629, 78711), (4887, 26237)]