81987354

素因数分解:

$2^1\times 3^2\times {\mathrm{1913}}^1\times {\mathrm{2381}}^1$

素因数の和:4302

約数の個数: 24

約数和(自身を含む): 177806772

約数和(自身を除く): 95819418

約数列:

[1, 2, 3, 6, 9, 18, 1913, 2381, 3826, 4762, 5739, 7143, 11478, 14286, 17217, 21429, 34434, 42858, 4554853, 9109706, 13664559, 27329118, 40993677, 81987354]

約数ペア:

[(1, 81987354), (2, 40993677), (3, 27329118), (6, 13664559), (9, 9109706), (18, 4554853), (1913, 42858), (2381, 34434), (3826, 21429), (4762, 17217), (5739, 14286), (7143, 11478)]