9980019

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1009}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 16596320

約数和(自身を除く): 6616301

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1009, 1099, 1413, 3027, 3297, 7063, 9081, 9891, 21189, 63567, 158413, 475239, 1108891, 1425717, 3326673, 9980019]

約数ペア:

[(1, 9980019), (3, 3326673), (7, 1425717), (9, 1108891), (21, 475239), (63, 158413), (157, 63567), (471, 21189), (1009, 9891), (1099, 9081), (1413, 7063), (3027, 3297)]