28769895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 68470272

約数和(自身を除く): 39700377

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 23, 33, 35, 45, 55, 57, 63, 69, 77, 95, 99, 105, 115, 133, 161, 165, 171, 207, 209, 231, 253, 285, 315, 345, 361, 385, 399, 437, 483, 495, 627, 665, 693, 759, 805, 855, 1035, 1045, 1083, 1155, 1197, 1265, 1311, 1449, 1463, 1771, 1805, 1881, 1995, 2185, 2277, 2415, 2527, 3059, 3135, 3249, 3465, 3795, 3933, 3971, 4389, 4807, 5313, 5415, 5985, 6555, 7245, 7315, 7581, 8303, 8855, 9177, 9405, 11385, 11913, 12635, 13167, 14421, 15295, 15939, 16245, 19665, 19855, 21945, 22743, 24035, 24909, 26565, 27531, 27797, 33649, 35739, 37905, 41515, 43263, 45885, 58121, 59565, 65835, 72105, 74727, 79695, 83391, 91333, 100947, 113715, 124545, 137655, 138985, 168245, 174363, 178695, 216315, 250173, 273999, 290605, 302841, 373635, 416955, 456665, 504735, 523089, 639331, 821997, 871815, 1250865, 1369995, 1514205, 1917993, 2615445, 3196655, 4109985, 5753979, 9589965, 28769895]

約数ペア:

[(1, 28769895), (3, 9589965), (5, 5753979), (7, 4109985), (9, 3196655), (11, 2615445), (15, 1917993), (19, 1514205), (21, 1369995), (23, 1250865), (33, 871815), (35, 821997), (45, 639331), (55, 523089), (57, 504735), (63, 456665), (69, 416955), (77, 373635), (95, 302841), (99, 290605), (105, 273999), (115, 250173), (133, 216315), (161, 178695), (165, 174363), (171, 168245), (207, 138985), (209, 137655), (231, 124545), (253, 113715), (285, 100947), (315, 91333), (345, 83391), (361, 79695), (385, 74727), (399, 72105), (437, 65835), (483, 59565), (495, 58121), (627, 45885), (665, 43263), (693, 41515), (759, 37905), (805, 35739), (855, 33649), (1035, 27797), (1045, 27531), (1083, 26565), (1155, 24909), (1197, 24035), (1265, 22743), (1311, 21945), (1449, 19855), (1463, 19665), (1771, 16245), (1805, 15939), (1881, 15295), (1995, 14421), (2185, 13167), (2277, 12635), (2415, 11913), (2527, 11385), (3059, 9405), (3135, 9177), (3249, 8855), (3465, 8303), (3795, 7581), (3933, 7315), (3971, 7245), (4389, 6555), (4807, 5985), (5313, 5415)]