213888546

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{172213}}^1$

素因数の和:172247

約数の個数: 32

約数和(自身を含む): 495976320

約数和(自身を除く): 282087774

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 172213, 344426, 516639, 1033278, 1549917, 3099834, 3960899, 4649751, 7921798, 9299502, 11882697, 23765394, 35648091, 71296182, 106944273, 213888546]

約数ペア:

[(1, 213888546), (2, 106944273), (3, 71296182), (6, 35648091), (9, 23765394), (18, 11882697), (23, 9299502), (27, 7921798), (46, 4649751), (54, 3960899), (69, 3099834), (138, 1549917), (207, 1033278), (414, 516639), (621, 344426), (1242, 172213)]