51294321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 89174904

約数和(自身を除く): 37880583

約数列:

[1, 3, 9, 13, 17, 37, 39, 41, 51, 111, 117, 123, 153, 221, 289, 333, 369, 481, 533, 629, 663, 697, 867, 1443, 1517, 1599, 1887, 1989, 2091, 2601, 3757, 4329, 4551, 4797, 5661, 6273, 8177, 9061, 10693, 11271, 11849, 13653, 19721, 24531, 25789, 27183, 32079, 33813, 35547, 59163, 73593, 77367, 81549, 96237, 106641, 139009, 154037, 177489, 232101, 335257, 417027, 438413, 462111, 1005771, 1251081, 1315239, 1386333, 3017313, 3945717, 5699369, 17098107, 51294321]

約数ペア:

[(1, 51294321), (3, 17098107), (9, 5699369), (13, 3945717), (17, 3017313), (37, 1386333), (39, 1315239), (41, 1251081), (51, 1005771), (111, 462111), (117, 438413), (123, 417027), (153, 335257), (221, 232101), (289, 177489), (333, 154037), (369, 139009), (481, 106641), (533, 96237), (629, 81549), (663, 77367), (697, 73593), (867, 59163), (1443, 35547), (1517, 33813), (1599, 32079), (1887, 27183), (1989, 25789), (2091, 24531), (2601, 19721), (3757, 13653), (4329, 11849), (4551, 11271), (4797, 10693), (5661, 9061), (6273, 8177)]