978889149

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{68449}}^1$

素因数の和:68689

約数の個数: 24

約数和(自身を含む): 1623086400

約数和(自身を除く): 644197251

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 68449, 205347, 479143, 616041, 1437429, 4312287, 15537923, 46613769, 108765461, 139841307, 326296383, 978889149]

約数ペア:

[(1, 978889149), (3, 326296383), (7, 139841307), (9, 108765461), (21, 46613769), (63, 15537923), (227, 4312287), (681, 1437429), (1589, 616041), (2043, 479143), (4767, 205347), (14301, 68449)]