81874926

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{649801}}^1$

素因数の和:649816

約数の個数: 24

約数和(自身を含む): 202738224

約数和(自身を除く): 120863298

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 649801, 1299602, 1949403, 3898806, 4548607, 5848209, 9097214, 11696418, 13645821, 27291642, 40937463, 81874926]

約数ペア:

[(1, 81874926), (2, 40937463), (3, 27291642), (6, 13645821), (7, 11696418), (9, 9097214), (14, 5848209), (18, 4548607), (21, 3898806), (42, 1949403), (63, 1299602), (126, 649801)]