13416291

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 23721984

約数和(自身を除く): 10305693

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 197, 207, 329, 423, 483, 591, 987, 1081, 1379, 1449, 1773, 2961, 3243, 4137, 4531, 7567, 9259, 9729, 12411, 13593, 22701, 27777, 31717, 40779, 64813, 68103, 83331, 95151, 194439, 212957, 285453, 583317, 638871, 1490699, 1916613, 4472097, 13416291]

約数ペア:

[(1, 13416291), (3, 4472097), (7, 1916613), (9, 1490699), (21, 638871), (23, 583317), (47, 285453), (63, 212957), (69, 194439), (141, 95151), (161, 83331), (197, 68103), (207, 64813), (329, 40779), (423, 31717), (483, 27777), (591, 22701), (987, 13593), (1081, 12411), (1379, 9729), (1449, 9259), (1773, 7567), (2961, 4531), (3243, 4137)]