139755213

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{132721}}^1$

素因数の和:132746

約数の個数: 20

約数和(自身を含む): 224831068

約数和(自身を除く): 85075855

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 132721, 398163, 1194489, 1725373, 3583467, 5176119, 10750401, 15528357, 46585071, 139755213]

約数ペア:

[(1, 139755213), (3, 46585071), (9, 15528357), (13, 10750401), (27, 5176119), (39, 3583467), (81, 1725373), (117, 1194489), (351, 398163), (1053, 132721)]