31139658

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157271}}^1$

素因数の和:157290

約数の個数: 24

約数和(自身を含む): 73603296

約数和(自身を除く): 42463638

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 157271, 314542, 471813, 943626, 1415439, 1729981, 2830878, 3459962, 5189943, 10379886, 15569829, 31139658]

約数ペア:

[(1, 31139658), (2, 15569829), (3, 10379886), (6, 5189943), (9, 3459962), (11, 2830878), (18, 1729981), (22, 1415439), (33, 943626), (66, 471813), (99, 314542), (198, 157271)]