12191745

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{28027}}^1$

素因数の和:28064

約数の個数: 16

約数和(自身を含む): 20180160

約数和(自身を除く): 7988415

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 28027, 84081, 140135, 420405, 812783, 2438349, 4063915, 12191745]

約数ペア:

[(1, 12191745), (3, 4063915), (5, 2438349), (15, 812783), (29, 420405), (87, 140135), (145, 84081), (435, 28027)]