3404947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 4644864

約数和(自身を除く): 1239917

約数列:

[1, 7, 13, 17, 31, 71, 91, 119, 217, 221, 403, 497, 527, 923, 1207, 1547, 2201, 2821, 3689, 6461, 6851, 8449, 15407, 15691, 28613, 37417, 47957, 109837, 200291, 261919, 486421, 3404947]

約数ペア:

[(1, 3404947), (7, 486421), (13, 261919), (17, 200291), (31, 109837), (71, 47957), (91, 37417), (119, 28613), (217, 15691), (221, 15407), (403, 8449), (497, 6851), (527, 6461), (923, 3689), (1207, 2821), (1547, 2201)]