1138809

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 1809408

約数和(自身を除く): 670599

約数列:

[1, 3, 7, 21, 49, 61, 127, 147, 183, 381, 427, 889, 1281, 2667, 2989, 6223, 7747, 8967, 18669, 23241, 54229, 162687, 379603, 1138809]

約数ペア:

[(1, 1138809), (3, 379603), (7, 162687), (21, 54229), (49, 23241), (61, 18669), (127, 8967), (147, 7747), (183, 6223), (381, 2989), (427, 2667), (889, 1281)]