40900293

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 72683520

約数和(自身を除く): 31783227

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 727, 893, 987, 1197, 2181, 2679, 2961, 5089, 6251, 6543, 8037, 13813, 15267, 18753, 34169, 41439, 45801, 56259, 96691, 102507, 124317, 239183, 290073, 307521, 649211, 717549, 870219, 1947633, 2152647, 4544477, 5842899, 13633431, 40900293]

約数ペア:

[(1, 40900293), (3, 13633431), (7, 5842899), (9, 4544477), (19, 2152647), (21, 1947633), (47, 870219), (57, 717549), (63, 649211), (133, 307521), (141, 290073), (171, 239183), (329, 124317), (399, 102507), (423, 96691), (727, 56259), (893, 45801), (987, 41439), (1197, 34169), (2181, 18753), (2679, 15267), (2961, 13813), (5089, 8037), (6251, 6543)]