16187787

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 30730752

約数和(自身を除く): 14542965

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 49, 63, 71, 77, 99, 141, 147, 213, 231, 329, 423, 441, 497, 517, 539, 639, 693, 781, 987, 1491, 1551, 1617, 2303, 2343, 2961, 3337, 3479, 3619, 4473, 4653, 4851, 5467, 6909, 7029, 10011, 10437, 10857, 16401, 20727, 23359, 25333, 30033, 31311, 32571, 36707, 38269, 49203, 70077, 75999, 110121, 114807, 163513, 210231, 227997, 256949, 330363, 344421, 490539, 770847, 1471617, 1798643, 2312541, 5395929, 16187787]

約数ペア:

[(1, 16187787), (3, 5395929), (7, 2312541), (9, 1798643), (11, 1471617), (21, 770847), (33, 490539), (47, 344421), (49, 330363), (63, 256949), (71, 227997), (77, 210231), (99, 163513), (141, 114807), (147, 110121), (213, 75999), (231, 70077), (329, 49203), (423, 38269), (441, 36707), (497, 32571), (517, 31311), (539, 30033), (639, 25333), (693, 23359), (781, 20727), (987, 16401), (1491, 10857), (1551, 10437), (1617, 10011), (2303, 7029), (2343, 6909), (2961, 5467), (3337, 4851), (3479, 4653), (3619, 4473)]