81693213

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{63773}}^1$

素因数の和:63844

約数の個数: 16

約数和(自身を含む): 126527616

約数和(自身を除く): 44834403

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 63773, 191319, 446411, 1339233, 3890153, 11670459, 27231071, 81693213]

約数ペア:

[(1, 81693213), (3, 27231071), (7, 11670459), (21, 3890153), (61, 1339233), (183, 446411), (427, 191319), (1281, 63773)]