243054

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{643}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 618240

約数和(自身を除く): 375186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 643, 1286, 1929, 3858, 4501, 5787, 9002, 11574, 13503, 17361, 27006, 34722, 40509, 81018, 121527, 243054]

約数ペア:

[(1, 243054), (2, 121527), (3, 81018), (6, 40509), (7, 34722), (9, 27006), (14, 17361), (18, 13503), (21, 11574), (27, 9002), (42, 5787), (54, 4501), (63, 3858), (126, 1929), (189, 1286), (378, 643)]