2720487105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1233781}}^1$

素因数の和:1233806

約数の個数: 36

約数和(自身を含む): 5485394772

約数和(自身を除く): 2764907667

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 1233781, 3701343, 6168905, 8636467, 11104029, 18506715, 25909401, 43182335, 55520145, 60455269, 77728203, 129547005, 181365807, 302276345, 388641015, 544097421, 906829035, 2720487105]

約数ペア:

[(1, 2720487105), (3, 906829035), (5, 544097421), (7, 388641015), (9, 302276345), (15, 181365807), (21, 129547005), (35, 77728203), (45, 60455269), (49, 55520145), (63, 43182335), (105, 25909401), (147, 18506715), (245, 11104029), (315, 8636467), (441, 6168905), (735, 3701343), (2205, 1233781)]