253669437

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3163}}^1$

素因数の和:3262

約数の個数: 48

約数和(自身を含む): 447516160

約数和(自身を除く): 193846723

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 399, 469, 603, 1197, 1273, 1407, 3163, 3819, 4221, 8911, 9489, 11457, 22141, 26733, 28467, 60097, 66423, 80199, 180291, 199269, 211921, 420679, 540873, 635763, 1262037, 1483447, 1907289, 3786111, 4026499, 4450341, 12079497, 13351023, 28185493, 36238491, 84556479, 253669437]

約数ペア:

[(1, 253669437), (3, 84556479), (7, 36238491), (9, 28185493), (19, 13351023), (21, 12079497), (57, 4450341), (63, 4026499), (67, 3786111), (133, 1907289), (171, 1483447), (201, 1262037), (399, 635763), (469, 540873), (603, 420679), (1197, 211921), (1273, 199269), (1407, 180291), (3163, 80199), (3819, 66423), (4221, 60097), (8911, 28467), (9489, 26733), (11457, 22141)]