17720613

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{757}}^1$

素因数の和:803

約数の個数: 30

約数和(自身を含む): 28157426

約数和(自身を除く): 10436813

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 289, 459, 757, 867, 1377, 2271, 2601, 6813, 7803, 12869, 20439, 23409, 38607, 61317, 115821, 218773, 347463, 656319, 1042389, 1968957, 5906871, 17720613]

約数ペア:

[(1, 17720613), (3, 5906871), (9, 1968957), (17, 1042389), (27, 656319), (51, 347463), (81, 218773), (153, 115821), (289, 61317), (459, 38607), (757, 23409), (867, 20439), (1377, 12869), (2271, 7803), (2601, 6813)]