2581761

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 4345600

約数和(自身を除く): 1763839

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 193, 273, 343, 579, 637, 1029, 1351, 1911, 2509, 4053, 4459, 7527, 9457, 13377, 17563, 28371, 52689, 66199, 122941, 198597, 368823, 860587, 2581761]

約数ペア:

[(1, 2581761), (3, 860587), (7, 368823), (13, 198597), (21, 122941), (39, 66199), (49, 52689), (91, 28371), (147, 17563), (193, 13377), (273, 9457), (343, 7527), (579, 4459), (637, 4053), (1029, 2509), (1351, 1911)]