16700247

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 24845184

約数和(自身を除く): 8144937

約数列:

[1, 3, 9, 53, 157, 159, 223, 471, 477, 669, 1413, 2007, 8321, 11819, 24963, 35011, 35457, 74889, 105033, 106371, 315099, 1855583, 5566749, 16700247]

約数ペア:

[(1, 16700247), (3, 5566749), (9, 1855583), (53, 315099), (157, 106371), (159, 105033), (223, 74889), (471, 35457), (477, 35011), (669, 24963), (1413, 11819), (2007, 8321)]