4085865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 8803080

約数和(自身を除く): 4717215

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 109, 119, 147, 153, 245, 255, 315, 327, 357, 441, 545, 595, 735, 763, 765, 833, 981, 1071, 1635, 1785, 1853, 2205, 2289, 2499, 3815, 4165, 4905, 5341, 5355, 5559, 6867, 7497, 9265, 11445, 12495, 12971, 16023, 16677, 26705, 27795, 34335, 37485, 38913, 48069, 64855, 80115, 83385, 90797, 116739, 194565, 240345, 272391, 453985, 583695, 817173, 1361955, 4085865]

約数ペア:

[(1, 4085865), (3, 1361955), (5, 817173), (7, 583695), (9, 453985), (15, 272391), (17, 240345), (21, 194565), (35, 116739), (45, 90797), (49, 83385), (51, 80115), (63, 64855), (85, 48069), (105, 38913), (109, 37485), (119, 34335), (147, 27795), (153, 26705), (245, 16677), (255, 16023), (315, 12971), (327, 12495), (357, 11445), (441, 9265), (545, 7497), (595, 6867), (735, 5559), (763, 5355), (765, 5341), (833, 4905), (981, 4165), (1071, 3815), (1635, 2499), (1785, 2289), (1853, 2205)]