25217199

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21067}}^1$

素因数の和:21099

約数の個数: 24

約数和(自身を含む): 43821440

約数和(自身を除く): 18604241

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 21067, 63201, 147469, 189603, 400273, 442407, 1200819, 1327221, 2801911, 3602457, 8405733, 25217199]

約数ペア:

[(1, 25217199), (3, 8405733), (7, 3602457), (9, 2801911), (19, 1327221), (21, 1200819), (57, 442407), (63, 400273), (133, 189603), (171, 147469), (399, 63201), (1197, 21067)]