231091971

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 127433469

約数列:

[1, 3, 11, 23, 33, 69, 89, 121, 253, 267, 311, 363, 759, 933, 979, 2047, 2783, 2937, 3421, 6141, 7153, 8349, 10263, 10769, 21459, 22517, 27679, 32307, 37631, 67551, 78683, 83037, 112893, 236049, 247687, 304469, 636617, 743061, 865513, 913407, 1909851, 2596539, 3349159, 7002787, 10047477, 21008361, 77030657, 231091971]

約数ペア:

[(1, 231091971), (3, 77030657), (11, 21008361), (23, 10047477), (33, 7002787), (69, 3349159), (89, 2596539), (121, 1909851), (253, 913407), (267, 865513), (311, 743061), (363, 636617), (759, 304469), (933, 247687), (979, 236049), (2047, 112893), (2783, 83037), (2937, 78683), (3421, 67551), (6141, 37631), (7153, 32307), (8349, 27679), (10263, 22517), (10769, 21459)]