3750005

素因数分解:

$5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 5174400

約数和(自身を除く): 1424395

約数列:

[1, 5, 7, 35, 307, 349, 1535, 1745, 2149, 2443, 10745, 12215, 107143, 535715, 750001, 3750005]

約数ペア:

[(1, 3750005), (5, 750001), (7, 535715), (35, 107143), (307, 12215), (349, 10745), (1535, 2443), (1745, 2149)]