81968601

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1217}}^1$

素因数の和:1401

約数の個数: 32

約数和(自身を含む): 129322368

約数和(自身を除く): 47353767

約数列:

[1, 3, 11, 13, 33, 39, 143, 157, 429, 471, 1217, 1727, 2041, 3651, 5181, 6123, 13387, 15821, 22451, 40161, 47463, 67353, 174031, 191069, 522093, 573207, 2101759, 2483897, 6305277, 7451691, 27322867, 81968601]

約数ペア:

[(1, 81968601), (3, 27322867), (11, 7451691), (13, 6305277), (33, 2483897), (39, 2101759), (143, 573207), (157, 522093), (429, 191069), (471, 174031), (1217, 67353), (1727, 47463), (2041, 40161), (3651, 22451), (5181, 15821), (6123, 13387)]