1987779453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1\times {\mathrm{2221}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 2974849152

約数和(自身を除く): 987069699

約数列:

[1, 3, 11, 33, 37, 111, 407, 733, 1221, 2199, 2221, 6663, 8063, 24189, 24431, 27121, 73293, 81363, 82177, 246531, 298331, 894993, 903947, 1627993, 2711841, 4883979, 17907923, 53723769, 60235741, 180707223, 662593151, 1987779453]

約数ペア:

[(1, 1987779453), (3, 662593151), (11, 180707223), (33, 60235741), (37, 53723769), (111, 17907923), (407, 4883979), (733, 2711841), (1221, 1627993), (2199, 903947), (2221, 894993), (6663, 298331), (8063, 246531), (24189, 82177), (24431, 81363), (27121, 73293)]