26912781

素因数分解:

$3^2\times 7^1\times {\mathrm{631}}^1\times {\mathrm{677}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 44563584

約数和(自身を除く): 17650803

約数列:

[1, 3, 7, 9, 21, 63, 631, 677, 1893, 2031, 4417, 4739, 5679, 6093, 13251, 14217, 39753, 42651, 427187, 1281561, 2990309, 3844683, 8970927, 26912781]

約数ペア:

[(1, 26912781), (3, 8970927), (7, 3844683), (9, 2990309), (21, 1281561), (63, 427187), (631, 42651), (677, 39753), (1893, 14217), (2031, 13251), (4417, 6093), (4739, 5679)]