128605215

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{38447}}^1$

素因数の和:38678

約数の個数: 16

約数和(自身を含む): 206696448

約数和(自身を除く): 78091233

約数列:

[1, 3, 5, 15, 223, 669, 1115, 3345, 38447, 115341, 192235, 576705, 8573681, 25721043, 42868405, 128605215]

約数ペア:

[(1, 128605215), (3, 42868405), (5, 25721043), (15, 8573681), (223, 576705), (669, 192235), (1115, 115341), (3345, 38447)]