1980981075

素因数分解:

$3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{177269}}^1$

素因数の和:177431

約数の個数: 24

約数和(自身を含む): 3297222000

約数和(自身を除く): 1316240925

約数列:

[1, 3, 5, 15, 25, 75, 149, 447, 745, 2235, 3725, 11175, 177269, 531807, 886345, 2659035, 4431725, 13295175, 26413081, 79239243, 132065405, 396196215, 660327025, 1980981075]

約数ペア:

[(1, 1980981075), (3, 660327025), (5, 396196215), (15, 132065405), (25, 79239243), (75, 26413081), (149, 13295175), (447, 4431725), (745, 2659035), (2235, 886345), (3725, 531807), (11175, 177269)]