261796617

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{190121}}^1$

素因数の和:190150

約数の個数: 20

約数和(自身を含む): 414085716

約数和(自身を除く): 152289099

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 190121, 570363, 1711089, 3232057, 5133267, 9696171, 15399801, 29088513, 87265539, 261796617]

約数ペア:

[(1, 261796617), (3, 87265539), (9, 29088513), (17, 15399801), (27, 9696171), (51, 5133267), (81, 3232057), (153, 1711089), (459, 570363), (1377, 190121)]