16980489

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{13381}}^1$

素因数の和:13437

約数の個数: 16

約数和(自身を含む): 25693440

約数和(自身を除く): 8712951

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 13381, 40143, 120429, 361287, 628907, 1886721, 5660163, 16980489]

約数ペア:

[(1, 16980489), (3, 5660163), (9, 1886721), (27, 628907), (47, 361287), (141, 120429), (423, 40143), (1269, 13381)]