12156903

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 21116160

約数和(自身を除く): 8959257

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 281, 437, 627, 759, 843, 1311, 1881, 2277, 2529, 3091, 3933, 4807, 5339, 6463, 9273, 14421, 16017, 19389, 27819, 43263, 48051, 58167, 58729, 71093, 122797, 176187, 213279, 368391, 528561, 639837, 1105173, 1350767, 4052301, 12156903]

約数ペア:

[(1, 12156903), (3, 4052301), (9, 1350767), (11, 1105173), (19, 639837), (23, 528561), (33, 368391), (57, 213279), (69, 176187), (99, 122797), (171, 71093), (207, 58729), (209, 58167), (253, 48051), (281, 43263), (437, 27819), (627, 19389), (759, 16017), (843, 14421), (1311, 9273), (1881, 6463), (2277, 5339), (2529, 4807), (3091, 3933)]