85974291

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{81647}}^1$

素因数の和:81672

約数の個数: 20

約数和(自身を含む): 138311712

約数和(自身を除く): 52337421

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 81647, 244941, 734823, 1061411, 2204469, 3184233, 6613407, 9552699, 28658097, 85974291]

約数ペア:

[(1, 85974291), (3, 28658097), (9, 9552699), (13, 6613407), (27, 3184233), (39, 2204469), (81, 1061411), (117, 734823), (351, 244941), (1053, 81647)]