28335663

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{991}}^1$

素因数の和:1356

約数の個数: 20

約数和(自身を含む): 42491328

約数和(自身を除く): 14155665

約数列:

[1, 3, 9, 27, 81, 353, 991, 1059, 2973, 3177, 8919, 9531, 26757, 28593, 80271, 349823, 1049469, 3148407, 9445221, 28335663]

約数ペア:

[(1, 28335663), (3, 9445221), (9, 3148407), (27, 1049469), (81, 349823), (353, 80271), (991, 28593), (1059, 26757), (2973, 9531), (3177, 8919)]