31424211

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 61746048

約数和(自身を除く): 30321837

約数列:

[1, 3, 7, 9, 13, 17, 21, 37, 39, 51, 61, 63, 91, 111, 117, 119, 153, 183, 221, 259, 273, 333, 357, 427, 481, 549, 629, 663, 777, 793, 819, 1037, 1071, 1281, 1443, 1547, 1887, 1989, 2257, 2331, 2379, 3111, 3367, 3843, 4329, 4403, 4641, 5551, 5661, 6771, 7137, 7259, 8177, 9333, 10101, 13209, 13481, 13923, 15799, 16653, 20313, 21777, 24531, 29341, 30303, 38369, 39627, 40443, 47397, 49959, 57239, 65331, 73593, 88023, 94367, 115107, 121329, 142191, 171717, 205387, 264069, 268583, 283101, 345321, 498797, 515151, 616161, 805749, 849303, 1496391, 1848483, 2417247, 3491579, 4489173, 10474737, 31424211]

約数ペア:

[(1, 31424211), (3, 10474737), (7, 4489173), (9, 3491579), (13, 2417247), (17, 1848483), (21, 1496391), (37, 849303), (39, 805749), (51, 616161), (61, 515151), (63, 498797), (91, 345321), (111, 283101), (117, 268583), (119, 264069), (153, 205387), (183, 171717), (221, 142191), (259, 121329), (273, 115107), (333, 94367), (357, 88023), (427, 73593), (481, 65331), (549, 57239), (629, 49959), (663, 47397), (777, 40443), (793, 39627), (819, 38369), (1037, 30303), (1071, 29341), (1281, 24531), (1443, 21777), (1547, 20313), (1887, 16653), (1989, 15799), (2257, 13923), (2331, 13481), (2379, 13209), (3111, 10101), (3367, 9333), (3843, 8177), (4329, 7259), (4403, 7137), (4641, 6771), (5551, 5661)]