225557661

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 363698304

約数和(自身を除く): 138140643

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 157, 259, 301, 471, 777, 903, 1099, 1591, 1849, 3297, 4773, 5547, 5809, 6751, 11137, 12943, 17427, 20253, 33411, 38829, 40663, 47257, 68413, 121989, 141771, 205239, 249787, 290293, 478891, 749361, 870879, 1436673, 1748509, 2032051, 5245527, 6096153, 10740841, 32222523, 75185887, 225557661]

約数ペア:

[(1, 225557661), (3, 75185887), (7, 32222523), (21, 10740841), (37, 6096153), (43, 5245527), (111, 2032051), (129, 1748509), (157, 1436673), (259, 870879), (301, 749361), (471, 478891), (777, 290293), (903, 249787), (1099, 205239), (1591, 141771), (1849, 121989), (3297, 68413), (4773, 47257), (5547, 40663), (5809, 38829), (6751, 33411), (11137, 20253), (12943, 17427)]