78253209

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7607}}^1$

素因数の和:7746

約数の個数: 20

約数和(自身を含む): 117832704

約数和(自身を除く): 39579495

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7607, 10287, 22821, 68463, 205389, 616167, 966089, 2898267, 8694801, 26084403, 78253209]

約数ペア:

[(1, 78253209), (3, 26084403), (9, 8694801), (27, 2898267), (81, 966089), (127, 616167), (381, 205389), (1143, 68463), (3429, 22821), (7607, 10287)]