82677987

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 153254400

約数和(自身を除く): 70576413

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 239, 289, 323, 357, 399, 717, 867, 969, 1071, 1197, 1673, 2023, 2151, 2261, 2601, 2907, 4063, 4541, 5019, 5491, 6069, 6783, 12189, 13623, 15057, 16473, 18207, 20349, 28441, 31787, 36567, 38437, 40869, 49419, 69071, 77197, 85323, 95361, 115311, 207213, 231591, 255969, 286083, 345933, 483497, 540379, 621639, 694773, 1312349, 1450491, 1621137, 3937047, 4351473, 4863411, 9186443, 11811141, 27559329, 82677987]

約数ペア:

[(1, 82677987), (3, 27559329), (7, 11811141), (9, 9186443), (17, 4863411), (19, 4351473), (21, 3937047), (51, 1621137), (57, 1450491), (63, 1312349), (119, 694773), (133, 621639), (153, 540379), (171, 483497), (239, 345933), (289, 286083), (323, 255969), (357, 231591), (399, 207213), (717, 115311), (867, 95361), (969, 85323), (1071, 77197), (1197, 69071), (1673, 49419), (2023, 40869), (2151, 38437), (2261, 36567), (2601, 31787), (2907, 28441), (4063, 20349), (4541, 18207), (5019, 16473), (5491, 15057), (6069, 13623), (6783, 12189)]