81705258

素因数分解:

$2^1\times 3^2\times {\mathrm{1997}}^1\times {\mathrm{2273}}^1$

素因数の和:4278

約数の個数: 24

約数和(自身を含む): 177194628

約数和(自身を除く): 95489370

約数列:

[1, 2, 3, 6, 9, 18, 1997, 2273, 3994, 4546, 5991, 6819, 11982, 13638, 17973, 20457, 35946, 40914, 4539181, 9078362, 13617543, 27235086, 40852629, 81705258]

約数ペア:

[(1, 81705258), (2, 40852629), (3, 27235086), (6, 13617543), (9, 9078362), (18, 4539181), (1997, 40914), (2273, 35946), (3994, 20457), (4546, 17973), (5991, 13638), (6819, 11982)]