2187125255

素因数分解:

$5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{243149}}^1$

素因数の和:243418

約数の個数: 16

約数和(自身を含む): 3011169600

約数和(自身を除く): 824044345

約数列:

[1, 5, 7, 35, 257, 1285, 1799, 8995, 243149, 1215745, 1702043, 8510215, 62489293, 312446465, 437425051, 2187125255]

約数ペア:

[(1, 2187125255), (5, 437425051), (7, 312446465), (35, 62489293), (257, 8510215), (1285, 1702043), (1799, 1215745), (8995, 243149)]