2021981217

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7993}}^1$

素因数の和:8129

約数の個数: 32

約数和(自身を含む): 2887049088

約数和(自身を除く): 865067871

約数列:

[1, 3, 37, 43, 53, 111, 129, 159, 1591, 1961, 2279, 4773, 5883, 6837, 7993, 23979, 84323, 252969, 295741, 343699, 423629, 887223, 1031097, 1270887, 12716863, 15674273, 18216047, 38150589, 47022819, 54648141, 673993739, 2021981217]

約数ペア:

[(1, 2021981217), (3, 673993739), (37, 54648141), (43, 47022819), (53, 38150589), (111, 18216047), (129, 15674273), (159, 12716863), (1591, 1270887), (1961, 1031097), (2279, 887223), (4773, 423629), (5883, 343699), (6837, 295741), (7993, 252969), (23979, 84323)]