54740007

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 99590400

約数和(自身を除く): 44850393

約数列:

[1, 3, 7, 9, 19, 21, 47, 49, 57, 63, 133, 139, 141, 147, 171, 329, 399, 417, 423, 441, 893, 931, 973, 987, 1197, 1251, 2303, 2641, 2679, 2793, 2919, 2961, 6251, 6533, 6811, 6909, 7923, 8037, 8379, 8757, 18487, 18753, 19599, 20433, 20727, 23769, 43757, 45731, 55461, 56259, 58797, 61299, 124127, 129409, 131271, 137193, 166383, 320117, 372381, 388227, 393813, 411579, 868889, 960351, 1117143, 1164681, 2606667, 2881053, 6082223, 7820001, 18246669, 54740007]

約数ペア:

[(1, 54740007), (3, 18246669), (7, 7820001), (9, 6082223), (19, 2881053), (21, 2606667), (47, 1164681), (49, 1117143), (57, 960351), (63, 868889), (133, 411579), (139, 393813), (141, 388227), (147, 372381), (171, 320117), (329, 166383), (399, 137193), (417, 131271), (423, 129409), (441, 124127), (893, 61299), (931, 58797), (973, 56259), (987, 55461), (1197, 45731), (1251, 43757), (2303, 23769), (2641, 20727), (2679, 20433), (2793, 19599), (2919, 18753), (2961, 18487), (6251, 8757), (6533, 8379), (6811, 8037), (6909, 7923)]