64386657

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{10889}}^1$

素因数の和:10974

約数の個数: 20

約数和(自身を含む): 97509060

約数和(自身を除く): 33122403

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 10889, 32667, 98001, 294003, 794897, 882009, 2384691, 7154073, 21462219, 64386657]

約数ペア:

[(1, 64386657), (3, 21462219), (9, 7154073), (27, 2384691), (73, 882009), (81, 794897), (219, 294003), (657, 98001), (1971, 32667), (5913, 10889)]