28184877

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{709}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 46666880

約数和(自身を除く): 18482003

約数列:

[1, 3, 7, 9, 21, 63, 631, 709, 1893, 2127, 4417, 4963, 5679, 6381, 13251, 14889, 39753, 44667, 447379, 1342137, 3131653, 4026411, 9394959, 28184877]

約数ペア:

[(1, 28184877), (3, 9394959), (7, 4026411), (9, 3131653), (21, 1342137), (63, 447379), (631, 44667), (709, 39753), (1893, 14889), (2127, 13251), (4417, 6381), (4963, 5679)]