213328995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 383616000

約数和(自身を除く): 170287005

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 89, 165, 199, 219, 267, 365, 445, 597, 803, 979, 995, 1095, 1335, 2189, 2409, 2937, 2985, 4015, 4895, 6497, 6567, 10945, 12045, 14527, 14685, 17711, 19491, 32485, 32835, 43581, 53133, 71467, 72635, 88555, 97455, 159797, 194821, 214401, 217905, 265665, 357335, 479391, 584463, 798985, 974105, 1072005, 1292903, 2396955, 2922315, 3878709, 6464515, 14221933, 19393545, 42665799, 71109665, 213328995]

約数ペア:

[(1, 213328995), (3, 71109665), (5, 42665799), (11, 19393545), (15, 14221933), (33, 6464515), (55, 3878709), (73, 2922315), (89, 2396955), (165, 1292903), (199, 1072005), (219, 974105), (267, 798985), (365, 584463), (445, 479391), (597, 357335), (803, 265665), (979, 217905), (995, 214401), (1095, 194821), (1335, 159797), (2189, 97455), (2409, 88555), (2937, 72635), (2985, 71467), (4015, 53133), (4895, 43581), (6497, 32835), (6567, 32485), (10945, 19491), (12045, 17711), (14527, 14685)]