20151855198711

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131711471887}}^1$

素因数の和:131711471910

約数の個数: 12

約数和(自身を含む): 30820484421792

約数和(自身を除く): 10668629223081

約数列:

[1, 3, 9, 17, 51, 153, 131711471887, 395134415661, 1185403246983, 2239095022079, 6717285066237, 20151855198711]

約数ペア:

[(1, 20151855198711), (3, 6717285066237), (9, 2239095022079), (17, 1185403246983), (51, 395134415661), (153, 131711471887)]