30675519

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 54496000

約数和(自身を除く): 23820481

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 523, 931, 1029, 1197, 1569, 2793, 3087, 3661, 4707, 6517, 8379, 9937, 10983, 19551, 25627, 29811, 32949, 58653, 69559, 76881, 89433, 179389, 208677, 230643, 486913, 538167, 626031, 1460739, 1614501, 3408391, 4382217, 10225173, 30675519]

約数ペア:

[(1, 30675519), (3, 10225173), (7, 4382217), (9, 3408391), (19, 1614501), (21, 1460739), (49, 626031), (57, 538167), (63, 486913), (133, 230643), (147, 208677), (171, 179389), (343, 89433), (399, 76881), (441, 69559), (523, 58653), (931, 32949), (1029, 29811), (1197, 25627), (1569, 19551), (2793, 10983), (3087, 9937), (3661, 8379), (4707, 6517)]