268991715

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{337}}^1\times {\mathrm{419}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 436101120

約数和(自身を除く): 167109405

約数列:

[1, 3, 5, 15, 127, 337, 381, 419, 635, 1011, 1257, 1685, 1905, 2095, 5055, 6285, 42799, 53213, 128397, 141203, 159639, 213995, 266065, 423609, 641985, 706015, 798195, 2118045, 17932781, 53798343, 89663905, 268991715]

約数ペア:

[(1, 268991715), (3, 89663905), (5, 53798343), (15, 17932781), (127, 2118045), (337, 798195), (381, 706015), (419, 641985), (635, 423609), (1011, 266065), (1257, 213995), (1685, 159639), (1905, 141203), (2095, 128397), (5055, 53213), (6285, 42799)]