1620081

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 2489760

約数和(自身を除く): 869679

約数列:

[1, 3, 9, 27, 59, 81, 113, 177, 243, 339, 531, 1017, 1593, 3051, 4779, 6667, 9153, 14337, 20001, 27459, 60003, 180009, 540027, 1620081]

約数ペア:

[(1, 1620081), (3, 540027), (9, 180009), (27, 60003), (59, 27459), (81, 20001), (113, 14337), (177, 9153), (243, 6667), (339, 4779), (531, 3051), (1017, 1593)]