81163404

素因数分解:

$2^2\times 3^3\times 7^4\times {\mathrm{313}}^1$

素因数の和:354

約数の個数: 120

約数和(自身を含む): 246263920

約数和(自身を除く): 165100516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 313, 343, 378, 441, 588, 626, 686, 756, 882, 939, 1029, 1252, 1323, 1372, 1764, 1878, 2058, 2191, 2401, 2646, 2817, 3087, 3756, 4116, 4382, 4802, 5292, 5634, 6174, 6573, 7203, 8451, 8764, 9261, 9604, 11268, 12348, 13146, 14406, 15337, 16902, 18522, 19719, 21609, 26292, 28812, 30674, 33804, 37044, 39438, 43218, 46011, 59157, 61348, 64827, 78876, 86436, 92022, 107359, 118314, 129654, 138033, 184044, 214718, 236628, 259308, 276066, 322077, 414099, 429436, 552132, 644154, 751513, 828198, 966231, 1288308, 1503026, 1656396, 1932462, 2254539, 2898693, 3006052, 3864924, 4509078, 5797386, 6763617, 9018156, 11594772, 13527234, 20290851, 27054468, 40581702, 81163404]

約数ペア:

[(1, 81163404), (2, 40581702), (3, 27054468), (4, 20290851), (6, 13527234), (7, 11594772), (9, 9018156), (12, 6763617), (14, 5797386), (18, 4509078), (21, 3864924), (27, 3006052), (28, 2898693), (36, 2254539), (42, 1932462), (49, 1656396), (54, 1503026), (63, 1288308), (84, 966231), (98, 828198), (108, 751513), (126, 644154), (147, 552132), (189, 429436), (196, 414099), (252, 322077), (294, 276066), (313, 259308), (343, 236628), (378, 214718), (441, 184044), (588, 138033), (626, 129654), (686, 118314), (756, 107359), (882, 92022), (939, 86436), (1029, 78876), (1252, 64827), (1323, 61348), (1372, 59157), (1764, 46011), (1878, 43218), (2058, 39438), (2191, 37044), (2401, 33804), (2646, 30674), (2817, 28812), (3087, 26292), (3756, 21609), (4116, 19719), (4382, 18522), (4802, 16902), (5292, 15337), (5634, 14406), (6174, 13146), (6573, 12348), (7203, 11268), (8451, 9604), (8764, 9261)]