56131569

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 99187200

約数和(自身を除く): 43055631

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 69, 117, 153, 207, 221, 299, 351, 391, 409, 459, 621, 663, 897, 1173, 1227, 1989, 2691, 3519, 3681, 5083, 5317, 5967, 6953, 8073, 9407, 10557, 11043, 15249, 15951, 20859, 28221, 45747, 47853, 62577, 84663, 90389, 122291, 137241, 143559, 159919, 187731, 253989, 271167, 366873, 479757, 813501, 1100619, 1439271, 2078947, 2440503, 3301857, 4317813, 6236841, 18710523, 56131569]

約数ペア:

[(1, 56131569), (3, 18710523), (9, 6236841), (13, 4317813), (17, 3301857), (23, 2440503), (27, 2078947), (39, 1439271), (51, 1100619), (69, 813501), (117, 479757), (153, 366873), (207, 271167), (221, 253989), (299, 187731), (351, 159919), (391, 143559), (409, 137241), (459, 122291), (621, 90389), (663, 84663), (897, 62577), (1173, 47853), (1227, 45747), (1989, 28221), (2691, 20859), (3519, 15951), (3681, 15249), (5083, 11043), (5317, 10557), (5967, 9407), (6953, 8073)]