81303261

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109721}}^1$

素因数の和:109756

約数の個数: 16

約数和(自身を含む): 122888640

約数和(自身を除く): 41585379

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 109721, 329163, 1426373, 2084699, 4279119, 6254097, 27101087, 81303261]

約数ペア:

[(1, 81303261), (3, 27101087), (13, 6254097), (19, 4279119), (39, 2084699), (57, 1426373), (247, 329163), (741, 109721)]