7638687

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 13515840

約数和(自身を除く): 5877153

約数列:

[1, 3, 7, 9, 21, 29, 37, 63, 87, 111, 113, 203, 259, 261, 333, 339, 609, 777, 791, 1017, 1073, 1827, 2331, 2373, 3219, 3277, 4181, 7119, 7511, 9657, 9831, 12543, 22533, 22939, 29267, 29493, 37629, 67599, 68817, 87801, 121249, 206451, 263403, 363747, 848743, 1091241, 2546229, 7638687]

約数ペア:

[(1, 7638687), (3, 2546229), (7, 1091241), (9, 848743), (21, 363747), (29, 263403), (37, 206451), (63, 121249), (87, 87801), (111, 68817), (113, 67599), (203, 37629), (259, 29493), (261, 29267), (333, 22939), (339, 22533), (609, 12543), (777, 9831), (791, 9657), (1017, 7511), (1073, 7119), (1827, 4181), (2331, 3277), (2373, 3219)]