1267918191

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{920783}}^1$

素因数の和:920812

約数の個数: 20

約数和(自身を含む): 2005467552

約数和(自身を除く): 737549361

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 920783, 2762349, 8287047, 15653311, 24861141, 46959933, 74583423, 140879799, 422639397, 1267918191]

約数ペア:

[(1, 1267918191), (3, 422639397), (9, 140879799), (17, 74583423), (27, 46959933), (51, 24861141), (81, 15653311), (153, 8287047), (459, 2762349), (1377, 920783)]