51388407

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6133}}^1$

素因数の和:6172

約数の個数: 36

約数和(自身を含む): 90905880

約数和(自身を除く): 39517473

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 6133, 8379, 18399, 42931, 55197, 116527, 128793, 300517, 349581, 386379, 815689, 901551, 1048743, 2447067, 2704653, 5709823, 7341201, 17129469, 51388407]

約数ペア:

[(1, 51388407), (3, 17129469), (7, 7341201), (9, 5709823), (19, 2704653), (21, 2447067), (49, 1048743), (57, 901551), (63, 815689), (133, 386379), (147, 349581), (171, 300517), (399, 128793), (441, 116527), (931, 55197), (1197, 42931), (2793, 18399), (6133, 8379)]