128447277

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{45989}}^1$

素因数の和:46025

約数の個数: 24

約数和(自身を含む): 209714400

約数和(自身を除く): 81267123

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 45989, 137967, 321923, 873791, 965769, 2253461, 2621373, 6116537, 6760383, 18349611, 42815759, 128447277]

約数ペア:

[(1, 128447277), (3, 42815759), (7, 18349611), (19, 6760383), (21, 6116537), (49, 2621373), (57, 2253461), (133, 965769), (147, 873791), (399, 321923), (931, 137967), (2793, 45989)]