165031321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3079}}^1$

素因数の和:3149

約数の個数: 32

約数和(自身を含む): 220774400

約数和(自身を除く): 55743079

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1729, 2821, 3079, 4123, 7657, 21553, 40027, 53599, 58501, 95449, 280189, 409507, 668143, 760513, 1240837, 1813531, 5323591, 8685859, 12694717, 23575903, 165031321]

約数ペア:

[(1, 165031321), (7, 23575903), (13, 12694717), (19, 8685859), (31, 5323591), (91, 1813531), (133, 1240837), (217, 760513), (247, 668143), (403, 409507), (589, 280189), (1729, 95449), (2821, 58501), (3079, 53599), (4123, 40027), (7657, 21553)]