81205446

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{276209}}^1$

素因数の和:276228

約数の個数: 24

約数和(自身を含む): 188927640

約数和(自身を除く): 107722194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 276209, 552418, 828627, 1657254, 1933463, 3866926, 5800389, 11600778, 13534241, 27068482, 40602723, 81205446]

約数ペア:

[(1, 81205446), (2, 40602723), (3, 27068482), (6, 13534241), (7, 11600778), (14, 5800389), (21, 3866926), (42, 1933463), (49, 1657254), (98, 828627), (147, 552418), (294, 276209)]