81665697

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 115763200

約数和(自身を除く): 34097503

約数列:

[1, 3, 37, 67, 79, 111, 139, 201, 237, 417, 2479, 2923, 5143, 5293, 7437, 8769, 9313, 10981, 15429, 15879, 27939, 32943, 195841, 344581, 406297, 587523, 735727, 1033743, 1218891, 2207181, 27221899, 81665697]

約数ペア:

[(1, 81665697), (3, 27221899), (37, 2207181), (67, 1218891), (79, 1033743), (111, 735727), (139, 587523), (201, 406297), (237, 344581), (417, 195841), (2479, 32943), (2923, 27939), (5143, 15879), (5293, 15429), (7437, 10981), (8769, 9313)]