17515521

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2141}}^1$

素因数の和:2254

約数の個数: 20

約数和(自身を含む): 26436564

約数和(自身を除く): 8921043

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2141, 2727, 6423, 8181, 19269, 57807, 173421, 216241, 648723, 1946169, 5838507, 17515521]

約数ペア:

[(1, 17515521), (3, 5838507), (9, 1946169), (27, 648723), (81, 216241), (101, 173421), (303, 57807), (909, 19269), (2141, 8181), (2727, 6423)]