81540927

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9547}}^1$

素因数の和:9639

約数の個数: 24

約数和(自身を含む): 128592464

約数和(自身を除く): 47051537

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 9547, 28641, 85923, 124111, 372333, 696931, 1116999, 2090793, 6272379, 9060103, 27180309, 81540927]

約数ペア:

[(1, 81540927), (3, 27180309), (9, 9060103), (13, 6272379), (39, 2090793), (73, 1116999), (117, 696931), (219, 372333), (657, 124111), (949, 85923), (2847, 28641), (8541, 9547)]