261566338719

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1\times {\mathrm{110491}}^1$

素因数の和:111451

約数の個数: 32

約数和(自身を含む): 401943377920

約数和(自身を除く): 140377039201

約数列:

[1, 3, 7, 21, 139, 417, 811, 973, 2433, 2919, 5677, 17031, 110491, 112729, 331473, 338187, 773437, 789103, 2320311, 2367309, 15358249, 46074747, 89608201, 107507743, 268824603, 322523229, 627257407, 1881772221, 12455539939, 37366619817, 87188779573, 261566338719]

約数ペア:

[(1, 261566338719), (3, 87188779573), (7, 37366619817), (21, 12455539939), (139, 1881772221), (417, 627257407), (811, 322523229), (973, 268824603), (2433, 107507743), (2919, 89608201), (5677, 46074747), (17031, 15358249), (110491, 2367309), (112729, 2320311), (331473, 789103), (338187, 773437)]