51639777

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6163}}^1$

素因数の和:6202

約数の個数: 36

約数和(自身を含む): 91350480

約数和(自身を除く): 39710703

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 6163, 8379, 18489, 43141, 55467, 117097, 129423, 301987, 351291, 388269, 819679, 905961, 1053873, 2459037, 2717883, 5737753, 7377111, 17213259, 51639777]

約数ペア:

[(1, 51639777), (3, 17213259), (7, 7377111), (9, 5737753), (19, 2717883), (21, 2459037), (49, 1053873), (57, 905961), (63, 819679), (133, 388269), (147, 351291), (171, 301987), (399, 129423), (441, 117097), (931, 55467), (1197, 43141), (2793, 18489), (6163, 8379)]