1280455857

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 1945552224

約数和(自身を除く): 665096367

約数列:

[1, 3, 9, 27, 81, 83, 249, 283, 673, 747, 849, 2019, 2241, 2547, 6057, 6723, 7641, 18171, 22923, 23489, 54513, 55859, 70467, 167577, 190459, 211401, 502731, 571377, 634203, 1508193, 1714131, 1902609, 4524579, 5142393, 15427179, 15808097, 47424291, 142272873, 426818619, 1280455857]

約数ペア:

[(1, 1280455857), (3, 426818619), (9, 142272873), (27, 47424291), (81, 15808097), (83, 15427179), (249, 5142393), (283, 4524579), (673, 1902609), (747, 1714131), (849, 1508193), (2019, 634203), (2241, 571377), (2547, 502731), (6057, 211401), (6723, 190459), (7641, 167577), (18171, 70467), (22923, 55859), (23489, 54513)]