13128858

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{6571}}^1$

素因数の和:6619

約数の個数: 32

約数和(自身を含む): 29968320

約数和(自身を除く): 16839462

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 6571, 13142, 19713, 39426, 59139, 118278, 177417, 243127, 354834, 486254, 729381, 1458762, 2188143, 4376286, 6564429, 13128858]

約数ペア:

[(1, 13128858), (2, 6564429), (3, 4376286), (6, 2188143), (9, 1458762), (18, 729381), (27, 486254), (37, 354834), (54, 243127), (74, 177417), (111, 118278), (222, 59139), (333, 39426), (666, 19713), (999, 13142), (1998, 6571)]