648937149

素因数分解:

$3^1\times 7^1\times {\mathrm{4243}}^1\times {\mathrm{7283}}^1$

素因数の和:11536

約数の個数: 16

約数和(自身を含む): 989225472

約数和(自身を除く): 340288323

約数列:

[1, 3, 7, 21, 4243, 7283, 12729, 21849, 29701, 50981, 89103, 152943, 30901769, 92705307, 216312383, 648937149]

約数ペア:

[(1, 648937149), (3, 216312383), (7, 92705307), (21, 30901769), (4243, 152943), (7283, 89103), (12729, 50981), (21849, 29701)]