64220991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{13109}}^1$

素因数の和:13206

約数の個数: 16

約数和(自身を含む): 90616320

約数和(自身を除く): 26395329

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 13109, 39327, 301507, 904521, 930739, 2792217, 21406997, 64220991]

約数ペア:

[(1, 64220991), (3, 21406997), (23, 2792217), (69, 930739), (71, 904521), (213, 301507), (1633, 39327), (4899, 13109)]