201421209

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{55997}}^1$

素因数の和:56120

約数の個数: 16

約数和(自身を含む): 295669440

約数和(自身を除く): 94248231

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 55997, 167991, 615967, 1847901, 6103673, 18311019, 67140403, 201421209]

約数ペア:

[(1, 201421209), (3, 67140403), (11, 18311019), (33, 6103673), (109, 1847901), (327, 615967), (1199, 167991), (3597, 55997)]