51715989

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 89268480

約数和(自身を除く): 37552491

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 107, 117, 153, 221, 243, 321, 351, 459, 663, 729, 963, 1053, 1377, 1391, 1819, 1989, 2187, 2889, 3159, 4131, 4173, 5457, 5967, 8667, 9477, 12393, 12519, 16371, 17901, 23647, 26001, 28431, 37179, 37557, 49113, 53703, 70941, 78003, 112671, 147339, 161109, 212823, 234009, 338013, 442017, 483327, 638469, 1014039, 1326051, 1915407, 3042117, 3978153, 5746221, 17238663, 51715989]

約数ペア:

[(1, 51715989), (3, 17238663), (9, 5746221), (13, 3978153), (17, 3042117), (27, 1915407), (39, 1326051), (51, 1014039), (81, 638469), (107, 483327), (117, 442017), (153, 338013), (221, 234009), (243, 212823), (321, 161109), (351, 147339), (459, 112671), (663, 78003), (729, 70941), (963, 53703), (1053, 49113), (1377, 37557), (1391, 37179), (1819, 28431), (1989, 26001), (2187, 23647), (2889, 17901), (3159, 16371), (4131, 12519), (4173, 12393), (5457, 9477), (5967, 8667)]