161909811

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5881}}^1$

素因数の和:5936

約数の個数: 48

約数和(自身を含む): 293629440

約数和(自身を除く): 131719629

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 1197, 1311, 1449, 3059, 3933, 5881, 9177, 17643, 27531, 41167, 52929, 111739, 123501, 135263, 335217, 370503, 405789, 782173, 946841, 1005651, 1217367, 2346519, 2569997, 2840523, 7039557, 7709991, 8521569, 17989979, 23129973, 53969937, 161909811]

約数ペア:

[(1, 161909811), (3, 53969937), (7, 23129973), (9, 17989979), (19, 8521569), (21, 7709991), (23, 7039557), (57, 2840523), (63, 2569997), (69, 2346519), (133, 1217367), (161, 1005651), (171, 946841), (207, 782173), (399, 405789), (437, 370503), (483, 335217), (1197, 135263), (1311, 123501), (1449, 111739), (3059, 52929), (3933, 41167), (5881, 27531), (9177, 17643)]