3039981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 4901184

約数和(自身を除く): 1861203

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 401, 1083, 1203, 2527, 2807, 7581, 7619, 8421, 22857, 53333, 144761, 159999, 434283, 1013327, 3039981]

約数ペア:

[(1, 3039981), (3, 1013327), (7, 434283), (19, 159999), (21, 144761), (57, 53333), (133, 22857), (361, 8421), (399, 7619), (401, 7581), (1083, 2807), (1203, 2527)]