30391809

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 50232960

約数和(自身を除く): 19841151

約数列:

[1, 3, 7, 21, 23, 49, 69, 89, 101, 147, 161, 267, 303, 483, 623, 707, 1127, 1869, 2047, 2121, 2323, 3381, 4361, 4949, 6141, 6969, 8989, 13083, 14329, 14847, 16261, 26967, 42987, 48783, 62923, 100303, 113827, 188769, 206747, 300909, 341481, 440461, 620241, 1321383, 1447229, 4341687, 10130603, 30391809]

約数ペア:

[(1, 30391809), (3, 10130603), (7, 4341687), (21, 1447229), (23, 1321383), (49, 620241), (69, 440461), (89, 341481), (101, 300909), (147, 206747), (161, 188769), (267, 113827), (303, 100303), (483, 62923), (623, 48783), (707, 42987), (1127, 26967), (1869, 16261), (2047, 14847), (2121, 14329), (2323, 13083), (3381, 8989), (4361, 6969), (4949, 6141)]