28264005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2719}}^1$

素因数の和:2751

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 34404795

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 2719, 3465, 8157, 10395, 13595, 19033, 24471, 29909, 40785, 57099, 73413, 89727, 95165, 122355, 149545, 171297, 209363, 269181, 285495, 367065, 448635, 513891, 628089, 807543, 856485, 1046815, 1345905, 1884267, 2569455, 3140445, 4037715, 5652801, 9421335, 28264005]

約数ペア:

[(1, 28264005), (3, 9421335), (5, 5652801), (7, 4037715), (9, 3140445), (11, 2569455), (15, 1884267), (21, 1345905), (27, 1046815), (33, 856485), (35, 807543), (45, 628089), (55, 513891), (63, 448635), (77, 367065), (99, 285495), (105, 269181), (135, 209363), (165, 171297), (189, 149545), (231, 122355), (297, 95165), (315, 89727), (385, 73413), (495, 57099), (693, 40785), (945, 29909), (1155, 24471), (1485, 19033), (2079, 13595), (2719, 10395), (3465, 8157)]