131821245

素因数分解:

$3^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{1879}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 228758400

約数和(自身を除く): 96937155

約数列:

[1, 3, 5, 9, 15, 45, 1559, 1879, 4677, 5637, 7795, 9395, 14031, 16911, 23385, 28185, 70155, 84555, 2929361, 8788083, 14646805, 26364249, 43940415, 131821245]

約数ペア:

[(1, 131821245), (3, 43940415), (5, 26364249), (9, 14646805), (15, 8788083), (45, 2929361), (1559, 84555), (1879, 70155), (4677, 28185), (5637, 23385), (7795, 16911), (9395, 14031)]