27215923

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 36771840

約数和(自身を除く): 9555917

約数列:

[1, 7, 19, 23, 31, 41, 49, 133, 161, 217, 287, 437, 589, 713, 779, 931, 943, 1127, 1271, 1519, 2009, 3059, 4123, 4991, 5453, 6601, 8897, 13547, 17917, 21413, 24149, 28861, 29233, 34937, 38171, 46207, 62279, 94829, 125419, 169043, 204631, 555427, 663803, 877933, 1183301, 1432417, 3887989, 27215923]

約数ペア:

[(1, 27215923), (7, 3887989), (19, 1432417), (23, 1183301), (31, 877933), (41, 663803), (49, 555427), (133, 204631), (161, 169043), (217, 125419), (287, 94829), (437, 62279), (589, 46207), (713, 38171), (779, 34937), (931, 29233), (943, 28861), (1127, 24149), (1271, 21413), (1519, 17917), (2009, 13547), (3059, 8897), (4123, 6601), (4991, 5453)]