71691255

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8087}}^1$

素因数の和:8295

約数の個数: 24

約数和(自身を含む): 124911072

約数和(自身を除く): 53219817

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8087, 8865, 24261, 40435, 72783, 121305, 363915, 1593139, 4779417, 7965695, 14338251, 23897085, 71691255]

約数ペア:

[(1, 71691255), (3, 23897085), (5, 14338251), (9, 7965695), (15, 4779417), (45, 1593139), (197, 363915), (591, 121305), (985, 72783), (1773, 40435), (2955, 24261), (8087, 8865)]