1220103081

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{83221}}^1$

素因数の和:83414

約数の個数: 20

約数和(自身を含む): 1832714884

約数和(自身を除く): 612611803

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 14661, 83221, 249663, 748989, 2246967, 6740901, 15063001, 45189003, 135567009, 406701027, 1220103081]

約数ペア:

[(1, 1220103081), (3, 406701027), (9, 135567009), (27, 45189003), (81, 15063001), (181, 6740901), (543, 2246967), (1629, 748989), (4887, 249663), (14661, 83221)]