1996449

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 3354624

約数和(自身を除く): 1358175

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 103, 213, 273, 309, 497, 721, 923, 1339, 1491, 2163, 2769, 4017, 6461, 7313, 9373, 19383, 21939, 28119, 51191, 95069, 153573, 285207, 665483, 1996449]

約数ペア:

[(1, 1996449), (3, 665483), (7, 285207), (13, 153573), (21, 95069), (39, 51191), (71, 28119), (91, 21939), (103, 19383), (213, 9373), (273, 7313), (309, 6461), (497, 4017), (721, 2769), (923, 2163), (1339, 1491)]