140051187

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{2689}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 209615560

約数和(自身を除く): 69564373

約数列:

[1, 3, 9, 27, 81, 643, 1929, 2689, 5787, 8067, 17361, 24201, 52083, 72603, 217809, 1729027, 5187081, 15561243, 46683729, 140051187]

約数ペア:

[(1, 140051187), (3, 46683729), (9, 15561243), (27, 5187081), (81, 1729027), (643, 217809), (1929, 72603), (2689, 52083), (5787, 24201), (8067, 17361)]