31815063

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 36

約数和(自身を含む): 56286360

約数和(自身を除く): 24471297

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3797, 8379, 11391, 26579, 34173, 72143, 79737, 186053, 216429, 239211, 505001, 558159, 649287, 1515003, 1674477, 3535007, 4545009, 10605021, 31815063]

約数ペア:

[(1, 31815063), (3, 10605021), (7, 4545009), (9, 3535007), (19, 1674477), (21, 1515003), (49, 649287), (57, 558159), (63, 505001), (133, 239211), (147, 216429), (171, 186053), (399, 79737), (441, 72143), (931, 34173), (1197, 26579), (2793, 11391), (3797, 8379)]