12390213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1223}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 18095616

約数和(自身を除く): 5705403

約数列:

[1, 3, 11, 33, 307, 921, 1223, 3377, 3669, 10131, 13453, 40359, 375461, 1126383, 4130071, 12390213]

約数ペア:

[(1, 12390213), (3, 4130071), (11, 1126383), (33, 375461), (307, 40359), (921, 13453), (1223, 10131), (3377, 3669)]