128586507

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2267}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 204083712

約数和(自身を除く): 75497205

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 2267, 2701, 6801, 8103, 15869, 18907, 47607, 56721, 83879, 165491, 251637, 496473, 587153, 1158437, 1761459, 3475311, 6123167, 18369501, 42862169, 128586507]

約数ペア:

[(1, 128586507), (3, 42862169), (7, 18369501), (21, 6123167), (37, 3475311), (73, 1761459), (111, 1158437), (219, 587153), (259, 496473), (511, 251637), (777, 165491), (1533, 83879), (2267, 56721), (2701, 47607), (6801, 18907), (8103, 15869)]