8142309

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 14013440

約数和(自身を除く): 5871131

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 643, 1407, 1809, 1929, 4221, 4501, 5787, 12663, 13503, 17361, 40509, 43081, 121527, 129243, 301567, 387729, 904701, 1163187, 2714103, 8142309]

約数ペア:

[(1, 8142309), (3, 2714103), (7, 1163187), (9, 904701), (21, 387729), (27, 301567), (63, 129243), (67, 121527), (189, 43081), (201, 40509), (469, 17361), (603, 13503), (643, 12663), (1407, 5787), (1809, 4501), (1929, 4221)]