15178806

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 20279754

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 71, 74, 107, 111, 142, 213, 214, 222, 321, 333, 426, 639, 642, 666, 963, 999, 1278, 1917, 1926, 1998, 2627, 2889, 3834, 3959, 5254, 5778, 7597, 7881, 7918, 11877, 15194, 15762, 22791, 23643, 23754, 35631, 45582, 47286, 68373, 70929, 71262, 106893, 136746, 141858, 205119, 213786, 281089, 410238, 562178, 843267, 1686534, 2529801, 5059602, 7589403, 15178806]

約数ペア:

[(1, 15178806), (2, 7589403), (3, 5059602), (6, 2529801), (9, 1686534), (18, 843267), (27, 562178), (37, 410238), (54, 281089), (71, 213786), (74, 205119), (107, 141858), (111, 136746), (142, 106893), (213, 71262), (214, 70929), (222, 68373), (321, 47286), (333, 45582), (426, 35631), (639, 23754), (642, 23643), (666, 22791), (963, 15762), (999, 15194), (1278, 11877), (1917, 7918), (1926, 7881), (1998, 7597), (2627, 5778), (2889, 5254), (3834, 3959)]