128974281

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 183980160

約数和(自身を除く): 55005879

約数列:

[1, 3, 29, 53, 83, 87, 159, 249, 337, 1011, 1537, 2407, 4399, 4611, 7221, 9773, 13197, 17861, 27971, 29319, 53583, 83913, 127571, 382713, 517969, 811159, 1482463, 1553907, 2433477, 4447389, 42991427, 128974281]

約数ペア:

[(1, 128974281), (3, 42991427), (29, 4447389), (53, 2433477), (83, 1553907), (87, 1482463), (159, 811159), (249, 517969), (337, 382713), (1011, 127571), (1537, 83913), (2407, 53583), (4399, 29319), (4611, 27971), (7221, 17861), (9773, 13197)]