207943407

素因数分解:

$3^2\times 7^4\times {\mathrm{9623}}^1$

素因数の和:9657

約数の個数: 30

約数和(自身を含む): 350438712

約数和(自身を除く): 142495305

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 9623, 21609, 28869, 67361, 86607, 202083, 471527, 606249, 1414581, 3300689, 4243743, 9902067, 23104823, 29706201, 69314469, 207943407]

約数ペア:

[(1, 207943407), (3, 69314469), (7, 29706201), (9, 23104823), (21, 9902067), (49, 4243743), (63, 3300689), (147, 1414581), (343, 606249), (441, 471527), (1029, 202083), (2401, 86607), (3087, 67361), (7203, 28869), (9623, 21609)]