6988947

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 11139072

約数和(自身を除く): 4150125

約数列:

[1, 3, 7, 21, 47, 73, 97, 141, 219, 291, 329, 511, 679, 987, 1533, 2037, 3431, 4559, 7081, 10293, 13677, 21243, 24017, 31913, 49567, 72051, 95739, 148701, 332807, 998421, 2329649, 6988947]

約数ペア:

[(1, 6988947), (3, 2329649), (7, 998421), (21, 332807), (47, 148701), (73, 95739), (97, 72051), (141, 49567), (219, 31913), (291, 24017), (329, 21243), (511, 13677), (679, 10293), (987, 7081), (1533, 4559), (2037, 3431)]