66390195

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 108605952

約数和(自身を除く): 42215757

約数列:

[1, 3, 5, 15, 97, 103, 291, 309, 443, 485, 515, 1329, 1455, 1545, 2215, 6645, 9991, 29973, 42971, 45629, 49955, 128913, 136887, 149865, 214855, 228145, 644565, 684435, 4426013, 13278039, 22130065, 66390195]

約数ペア:

[(1, 66390195), (3, 22130065), (5, 13278039), (15, 4426013), (97, 684435), (103, 644565), (291, 228145), (309, 214855), (443, 149865), (485, 136887), (515, 128913), (1329, 49955), (1455, 45629), (1545, 42971), (2215, 29973), (6645, 9991)]