13771989

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 26889408

約数和(自身を除く): 13117419

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 99, 119, 147, 153, 167, 187, 231, 357, 441, 501, 539, 561, 693, 833, 1071, 1169, 1309, 1503, 1617, 1683, 1837, 2499, 2839, 3507, 3927, 4851, 5511, 7497, 8183, 8517, 9163, 10521, 11781, 12859, 16533, 19873, 24549, 25551, 27489, 31229, 38577, 59619, 73647, 82467, 90013, 93687, 115731, 139111, 178857, 218603, 270039, 281061, 417333, 655809, 810117, 1251999, 1530221, 1967427, 4590663, 13771989]

約数ペア:

[(1, 13771989), (3, 4590663), (7, 1967427), (9, 1530221), (11, 1251999), (17, 810117), (21, 655809), (33, 417333), (49, 281061), (51, 270039), (63, 218603), (77, 178857), (99, 139111), (119, 115731), (147, 93687), (153, 90013), (167, 82467), (187, 73647), (231, 59619), (357, 38577), (441, 31229), (501, 27489), (539, 25551), (561, 24549), (693, 19873), (833, 16533), (1071, 12859), (1169, 11781), (1309, 10521), (1503, 9163), (1617, 8517), (1683, 8183), (1837, 7497), (2499, 5511), (2839, 4851), (3507, 3927)]