7042563

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 11618880

約数和(自身を除く): 4576317

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 223, 261, 319, 363, 669, 957, 1089, 2007, 2453, 2871, 3509, 6467, 7359, 10527, 19401, 22077, 26983, 31581, 58203, 71137, 80949, 213411, 242847, 640233, 782507, 2347521, 7042563]

約数ペア:

[(1, 7042563), (3, 2347521), (9, 782507), (11, 640233), (29, 242847), (33, 213411), (87, 80949), (99, 71137), (121, 58203), (223, 31581), (261, 26983), (319, 22077), (363, 19401), (669, 10527), (957, 7359), (1089, 6467), (2007, 3509), (2453, 2871)]