18032949

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 30236448

約数和(自身を除く): 12203499

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 547, 891, 999, 1221, 1641, 2997, 3663, 4923, 6017, 10989, 14769, 18051, 20239, 32967, 44307, 54153, 60717, 162459, 182151, 222629, 487377, 546453, 667887, 1639359, 2003661, 6010983, 18032949]

約数ペア:

[(1, 18032949), (3, 6010983), (9, 2003661), (11, 1639359), (27, 667887), (33, 546453), (37, 487377), (81, 222629), (99, 182151), (111, 162459), (297, 60717), (333, 54153), (407, 44307), (547, 32967), (891, 20239), (999, 18051), (1221, 14769), (1641, 10989), (2997, 6017), (3663, 4923)]