78386931

素因数分解:

$3^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1483}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 129642240

約数和(自身を除く): 51255309

約数列:

[1, 3, 7, 9, 21, 63, 839, 1483, 2517, 4449, 5873, 7551, 10381, 13347, 17619, 31143, 52857, 93429, 1244237, 3732711, 8709659, 11198133, 26128977, 78386931]

約数ペア:

[(1, 78386931), (3, 26128977), (7, 11198133), (9, 8709659), (21, 3732711), (63, 1244237), (839, 93429), (1483, 52857), (2517, 31143), (4449, 17619), (5873, 13347), (7551, 10381)]