51121065

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 86593536

約数和(自身を除く): 35472471

約数列:

[1, 3, 5, 15, 23, 69, 71, 115, 213, 345, 355, 1065, 1633, 2087, 4899, 6261, 8165, 10435, 24495, 31305, 48001, 144003, 148177, 240005, 444531, 720015, 740885, 2222655, 3408071, 10224213, 17040355, 51121065]

約数ペア:

[(1, 51121065), (3, 17040355), (5, 10224213), (15, 3408071), (23, 2222655), (69, 740885), (71, 720015), (115, 444531), (213, 240005), (345, 148177), (355, 144003), (1065, 48001), (1633, 31305), (2087, 24495), (4899, 10435), (6261, 8165)]