81246221

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5743}}^1$

素因数の和:5840

約数の個数: 16

約数和(自身を含む): 97050624

約数和(自身を除く): 15804403

約数列:

[1, 7, 43, 47, 301, 329, 2021, 5743, 14147, 40201, 246949, 269921, 1728643, 1889447, 11606603, 81246221]

約数ペア:

[(1, 81246221), (7, 11606603), (43, 1889447), (47, 1728643), (301, 269921), (329, 246949), (2021, 40201), (5743, 14147)]