255751023

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 395781120

約数和(自身を除く): 140030097

約数列:

[1, 3, 11, 31, 33, 53, 89, 93, 159, 267, 341, 583, 979, 1023, 1643, 1749, 2759, 2809, 2937, 4717, 4929, 8277, 8427, 14151, 18073, 30349, 30899, 51887, 54219, 87079, 91047, 92697, 146227, 155661, 250001, 261237, 438681, 750003, 957869, 1608497, 2750011, 2873607, 4825491, 7750031, 8250033, 23250093, 85250341, 255751023]

約数ペア:

[(1, 255751023), (3, 85250341), (11, 23250093), (31, 8250033), (33, 7750031), (53, 4825491), (89, 2873607), (93, 2750011), (159, 1608497), (267, 957869), (341, 750003), (583, 438681), (979, 261237), (1023, 250001), (1643, 155661), (1749, 146227), (2759, 92697), (2809, 91047), (2937, 87079), (4717, 54219), (4929, 51887), (8277, 30899), (8427, 30349), (14151, 18073)]