12778431

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 18896640

約数和(自身を除く): 6118209

約数列:

[1, 3, 19, 37, 57, 73, 83, 111, 219, 249, 703, 1387, 1577, 2109, 2701, 3071, 4161, 4731, 6059, 8103, 9213, 18177, 51319, 58349, 115121, 153957, 175047, 224183, 345363, 672549, 4259477, 12778431]

約数ペア:

[(1, 12778431), (3, 4259477), (19, 672549), (37, 345363), (57, 224183), (73, 175047), (83, 153957), (111, 115121), (219, 58349), (249, 51319), (703, 18177), (1387, 9213), (1577, 8103), (2109, 6059), (2701, 4731), (3071, 4161)]