2087289

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 3169716

約数和(自身を除く): 1082427

約数列:

[1, 3, 9, 27, 73, 81, 219, 353, 657, 1059, 1971, 3177, 5913, 9531, 25769, 28593, 77307, 231921, 695763, 2087289]

約数ペア:

[(1, 2087289), (3, 695763), (9, 231921), (27, 77307), (73, 28593), (81, 25769), (219, 9531), (353, 5913), (657, 3177), (1059, 1971)]