87771243

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181721}}^1$

素因数の和:181754

約数の個数: 16

約数和(自身を含む): 139562496

約数和(自身を除く): 51791253

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 181721, 545163, 1272047, 3816141, 4179583, 12538749, 29257081, 87771243]

約数ペア:

[(1, 87771243), (3, 29257081), (7, 12538749), (21, 4179583), (23, 3816141), (69, 1272047), (161, 545163), (483, 181721)]