10781721

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{21017}}^1$

素因数の和:21045

約数の個数: 16

約数和(自身を含む): 16814400

約数和(自身を除く): 6032679

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 21017, 63051, 189153, 399323, 567459, 1197969, 3593907, 10781721]

約数ペア:

[(1, 10781721), (3, 3593907), (9, 1197969), (19, 567459), (27, 399323), (57, 189153), (171, 63051), (513, 21017)]