20180391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 13611609

約数列:

[1, 3, 7, 11, 21, 33, 77, 199, 231, 439, 597, 1317, 1393, 2189, 3073, 4179, 4829, 6567, 9219, 14487, 15323, 33803, 45969, 87361, 101409, 262083, 611527, 960971, 1834581, 2882913, 6726797, 20180391]

約数ペア:

[(1, 20180391), (3, 6726797), (7, 2882913), (11, 1834581), (21, 960971), (33, 611527), (77, 262083), (199, 101409), (231, 87361), (439, 45969), (597, 33803), (1317, 15323), (1393, 14487), (2189, 9219), (3073, 6567), (4179, 4829)]