51218901

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{631}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 76901760

約数和(自身を除く): 25682859

約数列:

[1, 3, 9, 29, 87, 261, 311, 631, 933, 1893, 2799, 5679, 9019, 18299, 27057, 54897, 81171, 164691, 196241, 588723, 1766169, 5690989, 17072967, 51218901]

約数ペア:

[(1, 51218901), (3, 17072967), (9, 5690989), (29, 1766169), (87, 588723), (261, 196241), (311, 164691), (631, 81171), (933, 54897), (1893, 27057), (2799, 18299), (5679, 9019)]