71913177

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 125146112

約数和(自身を除く): 53232935

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 243, 469, 567, 603, 631, 1407, 1701, 1809, 1893, 4221, 4417, 5427, 5679, 12663, 13251, 16281, 17037, 37989, 39753, 42277, 51111, 113967, 119259, 126831, 153333, 295939, 357777, 380493, 887817, 1073331, 1141479, 2663451, 3424437, 7990353, 10273311, 23971059, 71913177]

約数ペア:

[(1, 71913177), (3, 23971059), (7, 10273311), (9, 7990353), (21, 3424437), (27, 2663451), (63, 1141479), (67, 1073331), (81, 887817), (189, 380493), (201, 357777), (243, 295939), (469, 153333), (567, 126831), (603, 119259), (631, 113967), (1407, 51111), (1701, 42277), (1809, 39753), (1893, 37989), (4221, 17037), (4417, 16281), (5427, 13251), (5679, 12663)]