210310947

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 390394368

約数和(自身を除く): 180083421

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 121, 141, 231, 329, 363, 423, 517, 587, 693, 847, 987, 1089, 1551, 1761, 2541, 2961, 3619, 4109, 4653, 5283, 5687, 6457, 7623, 10857, 12327, 17061, 19371, 27589, 32571, 36981, 39809, 45199, 51183, 58113, 71027, 82767, 119427, 135597, 193123, 213081, 248301, 303479, 358281, 406791, 497189, 579369, 639243, 910437, 1491567, 1738107, 2124353, 2731311, 3338269, 4474701, 6373059, 10014807, 19119177, 23367883, 30044421, 70103649, 210310947]

約数ペア:

[(1, 210310947), (3, 70103649), (7, 30044421), (9, 23367883), (11, 19119177), (21, 10014807), (33, 6373059), (47, 4474701), (63, 3338269), (77, 2731311), (99, 2124353), (121, 1738107), (141, 1491567), (231, 910437), (329, 639243), (363, 579369), (423, 497189), (517, 406791), (587, 358281), (693, 303479), (847, 248301), (987, 213081), (1089, 193123), (1551, 135597), (1761, 119427), (2541, 82767), (2961, 71027), (3619, 58113), (4109, 51183), (4653, 45199), (5283, 39809), (5687, 36981), (6457, 32571), (7623, 27589), (10857, 19371), (12327, 17061)]