207968769

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 343284480

約数和(自身を除く): 135315711

約数列:

[1, 3, 9, 17, 27, 41, 43, 51, 123, 129, 153, 257, 369, 387, 459, 697, 731, 771, 1107, 1161, 1763, 2091, 2193, 2313, 4369, 5289, 6273, 6579, 6939, 10537, 11051, 13107, 15867, 18819, 19737, 29971, 31611, 33153, 39321, 47601, 89913, 94833, 99459, 117963, 179129, 187867, 269739, 284499, 298377, 453091, 537387, 563601, 809217, 1359273, 1612161, 1690803, 4077819, 4836483, 5072409, 7702547, 12233457, 23107641, 69322923, 207968769]

約数ペア:

[(1, 207968769), (3, 69322923), (9, 23107641), (17, 12233457), (27, 7702547), (41, 5072409), (43, 4836483), (51, 4077819), (123, 1690803), (129, 1612161), (153, 1359273), (257, 809217), (369, 563601), (387, 537387), (459, 453091), (697, 298377), (731, 284499), (771, 269739), (1107, 187867), (1161, 179129), (1763, 117963), (2091, 99459), (2193, 94833), (2313, 89913), (4369, 47601), (5289, 39321), (6273, 33153), (6579, 31611), (6939, 29971), (10537, 19737), (11051, 18819), (13107, 15867)]