31329081

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3739}}^1$

素因数の和:3778

約数の個数: 36

約数和(自身を含む): 55426800

約数和(自身を除く): 24097719

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3739, 8379, 11217, 26173, 33651, 71041, 78519, 183211, 213123, 235557, 497287, 549633, 639369, 1491861, 1648899, 3481009, 4475583, 10443027, 31329081]

約数ペア:

[(1, 31329081), (3, 10443027), (7, 4475583), (9, 3481009), (19, 1648899), (21, 1491861), (49, 639369), (57, 549633), (63, 497287), (133, 235557), (147, 213123), (171, 183211), (399, 78519), (441, 71041), (931, 33651), (1197, 26173), (2793, 11217), (3739, 8379)]