187877907

素因数分解:

$3^3\times 7^3\times {\mathrm{20287}}^1$

素因数の和:20317

約数の個数: 32

約数和(自身を含む): 324608000

約数和(自身を除く): 136730093

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 3087, 9261, 20287, 60861, 142009, 182583, 426027, 547749, 994063, 1278081, 2982189, 3834243, 6958441, 8946567, 20875323, 26839701, 62625969, 187877907]

約数ペア:

[(1, 187877907), (3, 62625969), (7, 26839701), (9, 20875323), (21, 8946567), (27, 6958441), (49, 3834243), (63, 2982189), (147, 1278081), (189, 994063), (343, 547749), (441, 426027), (1029, 182583), (1323, 142009), (3087, 60861), (9261, 20287)]