27398133

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 48721920

約数和(自身を除く): 21323787

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 487, 893, 987, 1197, 1461, 2679, 2961, 3409, 4383, 6251, 8037, 9253, 10227, 18753, 22889, 27759, 30681, 56259, 64771, 68667, 83277, 160223, 194313, 206001, 434891, 480669, 582939, 1304673, 1442007, 3044237, 3914019, 9132711, 27398133]

約数ペア:

[(1, 27398133), (3, 9132711), (7, 3914019), (9, 3044237), (19, 1442007), (21, 1304673), (47, 582939), (57, 480669), (63, 434891), (133, 206001), (141, 194313), (171, 160223), (329, 83277), (399, 68667), (423, 64771), (487, 56259), (893, 30681), (987, 27759), (1197, 22889), (1461, 18753), (2679, 10227), (2961, 9253), (3409, 8037), (4383, 6251)]