12642237

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9181}}^1$

素因数の和:9210

約数の個数: 20

約数和(自身を含む): 19998396

約数和(自身を除く): 7356159

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9181, 27543, 82629, 156077, 247887, 468231, 743661, 1404693, 4214079, 12642237]

約数ペア:

[(1, 12642237), (3, 4214079), (9, 1404693), (17, 743661), (27, 468231), (51, 247887), (81, 156077), (153, 82629), (459, 27543), (1377, 9181)]