53125821

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 94556160

約数和(自身を除く): 41430339

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 71, 107, 111, 189, 213, 259, 321, 333, 497, 639, 749, 777, 963, 999, 1491, 1917, 2247, 2331, 2627, 2889, 3959, 4473, 6741, 6993, 7597, 7881, 11877, 13419, 18389, 20223, 22791, 23643, 27713, 35631, 53179, 55167, 68373, 70929, 83139, 106893, 159537, 165501, 205119, 249417, 281089, 478611, 496503, 748251, 843267, 1435833, 1967623, 2529801, 5902869, 7589403, 17708607, 53125821]

約数ペア:

[(1, 53125821), (3, 17708607), (7, 7589403), (9, 5902869), (21, 2529801), (27, 1967623), (37, 1435833), (63, 843267), (71, 748251), (107, 496503), (111, 478611), (189, 281089), (213, 249417), (259, 205119), (321, 165501), (333, 159537), (497, 106893), (639, 83139), (749, 70929), (777, 68373), (963, 55167), (999, 53179), (1491, 35631), (1917, 27713), (2247, 23643), (2331, 22791), (2627, 20223), (2889, 18389), (3959, 13419), (4473, 11877), (6741, 7881), (6993, 7597)]