18340641

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 30460800

約数和(自身を除く): 12120159

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1669, 3663, 5007, 10989, 15021, 18359, 45063, 55077, 61753, 165231, 185259, 495693, 555777, 679283, 1667331, 2037849, 6113547, 18340641]

約数ペア:

[(1, 18340641), (3, 6113547), (9, 2037849), (11, 1667331), (27, 679283), (33, 555777), (37, 495693), (99, 185259), (111, 165231), (297, 61753), (333, 55077), (407, 45063), (999, 18359), (1221, 15021), (1669, 10989), (3663, 5007)]