128174151

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 205117920

約数和(自身を除く): 76943769

約数列:

[1, 3, 7, 21, 49, 89, 97, 101, 147, 267, 291, 303, 623, 679, 707, 1869, 2037, 2121, 4361, 4753, 4949, 8633, 8989, 9797, 13083, 14259, 14847, 25899, 26967, 29391, 60431, 62923, 68579, 181293, 188769, 205737, 423017, 440461, 480053, 871933, 1269051, 1321383, 1440159, 2615799, 6103531, 18310593, 42724717, 128174151]

約数ペア:

[(1, 128174151), (3, 42724717), (7, 18310593), (21, 6103531), (49, 2615799), (89, 1440159), (97, 1321383), (101, 1269051), (147, 871933), (267, 480053), (291, 440461), (303, 423017), (623, 205737), (679, 188769), (707, 181293), (1869, 68579), (2037, 62923), (2121, 60431), (4361, 29391), (4753, 26967), (4949, 25899), (8633, 14847), (8989, 14259), (9797, 13083)]