78078903

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{3877}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 122017392

約数和(自身を除く): 43938489

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 3877, 6713, 11631, 20139, 27139, 81417, 189973, 531149, 569919, 1593447, 3718043, 11154129, 26026301, 78078903]

約数ペア:

[(1, 78078903), (3, 26026301), (7, 11154129), (21, 3718043), (49, 1593447), (137, 569919), (147, 531149), (411, 189973), (959, 81417), (2877, 27139), (3877, 20139), (6713, 11631)]