201318579

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{647}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 363916800

約数和(自身を除く): 162598221

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 449, 647, 693, 1347, 1941, 3143, 4041, 4529, 4939, 5823, 7117, 9429, 13587, 14817, 21351, 28287, 34573, 40761, 44451, 49819, 64053, 103719, 149457, 290503, 311157, 448371, 871509, 2033521, 2614527, 3195533, 6100563, 9586599, 18301689, 22368731, 28759797, 67106193, 201318579]

約数ペア:

[(1, 201318579), (3, 67106193), (7, 28759797), (9, 22368731), (11, 18301689), (21, 9586599), (33, 6100563), (63, 3195533), (77, 2614527), (99, 2033521), (231, 871509), (449, 448371), (647, 311157), (693, 290503), (1347, 149457), (1941, 103719), (3143, 64053), (4041, 49819), (4529, 44451), (4939, 40761), (5823, 34573), (7117, 28287), (9429, 21351), (13587, 14817)]