222775191

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{161783}}^1$

素因数の和:161812

約数の個数: 20

約数和(自身を含む): 352365552

約数和(自身を除く): 129590361

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 161783, 485349, 1456047, 2750311, 4368141, 8250933, 13104423, 24752799, 74258397, 222775191]

約数ペア:

[(1, 222775191), (3, 74258397), (9, 24752799), (17, 13104423), (27, 8250933), (51, 4368141), (81, 2750311), (153, 1456047), (459, 485349), (1377, 161783)]