73280781

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 127522304

約数和(自身を除く): 54241523

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 643, 1407, 1701, 1809, 1929, 4221, 4501, 5427, 5787, 12663, 13503, 16281, 17361, 37989, 40509, 43081, 52083, 113967, 121527, 129243, 156249, 301567, 364581, 387729, 904701, 1093743, 1163187, 2714103, 3489561, 8142309, 10468683, 24426927, 73280781]

約数ペア:

[(1, 73280781), (3, 24426927), (7, 10468683), (9, 8142309), (21, 3489561), (27, 2714103), (63, 1163187), (67, 1093743), (81, 904701), (189, 387729), (201, 364581), (243, 301567), (469, 156249), (567, 129243), (603, 121527), (643, 113967), (1407, 52083), (1701, 43081), (1809, 40509), (1929, 37989), (4221, 17361), (4501, 16281), (5427, 13503), (5787, 12663)]