2491335

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 5391360

約数和(自身を除く): 2900025

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 719, 1155, 2157, 3465, 3595, 5033, 6471, 7909, 10785, 15099, 23727, 25165, 32355, 39545, 45297, 55363, 71181, 75495, 118635, 166089, 226485, 276815, 355905, 498267, 830445, 2491335]

約数ペア:

[(1, 2491335), (3, 830445), (5, 498267), (7, 355905), (9, 276815), (11, 226485), (15, 166089), (21, 118635), (33, 75495), (35, 71181), (45, 55363), (55, 45297), (63, 39545), (77, 32355), (99, 25165), (105, 23727), (165, 15099), (231, 10785), (315, 7909), (385, 6471), (495, 5033), (693, 3595), (719, 3465), (1155, 2157)]