31138719

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 13512801

約数列:

[1, 3, 37, 53, 67, 79, 111, 159, 201, 237, 1961, 2479, 2923, 3551, 4187, 5293, 5883, 7437, 8769, 10653, 12561, 15879, 131387, 154919, 195841, 280529, 394161, 464757, 587523, 841587, 10379573, 31138719]

約数ペア:

[(1, 31138719), (3, 10379573), (37, 841587), (53, 587523), (67, 464757), (79, 394161), (111, 280529), (159, 195841), (201, 154919), (237, 131387), (1961, 15879), (2479, 12561), (2923, 10653), (3551, 8769), (4187, 7437), (5293, 5883)]