217967409

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{6733}}^1$

素因数の和:6862

約数の個数: 32

約数和(自身を含む): 355555200

約数和(自身を除く): 137587791

約数列:

[1, 3, 9, 11, 27, 33, 99, 109, 297, 327, 981, 1199, 2943, 3597, 6733, 10791, 20199, 32373, 60597, 74063, 181791, 222189, 666567, 733897, 1999701, 2201691, 6605073, 8072867, 19815219, 24218601, 72655803, 217967409]

約数ペア:

[(1, 217967409), (3, 72655803), (9, 24218601), (11, 19815219), (27, 8072867), (33, 6605073), (99, 2201691), (109, 1999701), (297, 733897), (327, 666567), (981, 222189), (1199, 181791), (2943, 74063), (3597, 60597), (6733, 32373), (10791, 20199)]