13278039

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 18100992

約数和(自身を除く): 4822953

約数列:

[1, 3, 97, 103, 291, 309, 443, 1329, 9991, 29973, 42971, 45629, 128913, 136887, 4426013, 13278039]

約数ペア:

[(1, 13278039), (3, 4426013), (97, 136887), (103, 128913), (291, 45629), (309, 42971), (443, 29973), (1329, 9991)]