131775417

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{4057}}^1$

素因数の和:4470

約数の個数: 20

約数和(自身を含む): 197389236

約数和(自身を除く): 65613819

約数列:

[1, 3, 9, 27, 81, 401, 1203, 3609, 4057, 10827, 12171, 32481, 36513, 109539, 328617, 1626857, 4880571, 14641713, 43925139, 131775417]

約数ペア:

[(1, 131775417), (3, 43925139), (9, 14641713), (27, 4880571), (81, 1626857), (401, 328617), (1203, 109539), (3609, 36513), (4057, 32481), (10827, 12171)]