71502561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 126282240

約数和(自身を除く): 54779679

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 69, 117, 153, 207, 221, 299, 351, 391, 459, 521, 621, 663, 897, 1173, 1563, 1989, 2691, 3519, 4689, 5083, 5967, 6773, 8073, 8857, 10557, 11983, 14067, 15249, 20319, 26571, 35949, 45747, 60957, 79713, 107847, 115141, 137241, 155779, 182871, 203711, 239139, 323541, 345423, 467337, 611133, 1036269, 1402011, 1833399, 2648243, 3108807, 4206033, 5500197, 7944729, 23834187, 71502561]

約数ペア:

[(1, 71502561), (3, 23834187), (9, 7944729), (13, 5500197), (17, 4206033), (23, 3108807), (27, 2648243), (39, 1833399), (51, 1402011), (69, 1036269), (117, 611133), (153, 467337), (207, 345423), (221, 323541), (299, 239139), (351, 203711), (391, 182871), (459, 155779), (521, 137241), (621, 115141), (663, 107847), (897, 79713), (1173, 60957), (1563, 45747), (1989, 35949), (2691, 26571), (3519, 20319), (4689, 15249), (5083, 14067), (5967, 11983), (6773, 10557), (8073, 8857)]