17776989

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{11551}}^1$

素因数の和:11582

約数の個数: 20

約数和(自身を含む): 27955840

約数和(自身を除く): 10178851

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 11551, 34653, 103959, 219469, 311877, 658407, 935631, 1975221, 5925663, 17776989]

約数ペア:

[(1, 17776989), (3, 5925663), (9, 1975221), (19, 935631), (27, 658407), (57, 311877), (81, 219469), (171, 103959), (513, 34653), (1539, 11551)]