318779643

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1559}}^1$

素因数の和:1696

約数の個数: 48

約数和(自身を含む): 537788160

約数和(自身を除く): 219008517

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 107, 147, 273, 321, 637, 749, 1391, 1559, 1911, 2247, 4173, 4677, 5243, 9737, 10913, 15729, 20267, 29211, 32739, 60801, 68159, 76391, 141869, 166813, 204477, 229173, 425607, 500439, 993083, 1167691, 2168569, 2979249, 3503073, 6505707, 8173837, 15179983, 24521511, 45539949, 106259881, 318779643]

約数ペア:

[(1, 318779643), (3, 106259881), (7, 45539949), (13, 24521511), (21, 15179983), (39, 8173837), (49, 6505707), (91, 3503073), (107, 2979249), (147, 2168569), (273, 1167691), (321, 993083), (637, 500439), (749, 425607), (1391, 229173), (1559, 204477), (1911, 166813), (2247, 141869), (4173, 76391), (4677, 68159), (5243, 60801), (9737, 32739), (10913, 29211), (15729, 20267)]