9991135

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25951}}^1$

素因数の和:25974

約数の個数: 16

約数和(自身を含む): 14948352

約数和(自身を除く): 4957217

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 25951, 129755, 181657, 285461, 908285, 1427305, 1998227, 9991135]

約数ペア:

[(1, 9991135), (5, 1998227), (7, 1427305), (11, 908285), (35, 285461), (55, 181657), (77, 129755), (385, 25951)]