31837407

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11399}}^1$

素因数の和:11435

約数の個数: 24

約数和(自身を含む): 51984000

約数和(自身を除く): 20146593

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 11399, 34197, 79793, 216581, 239379, 558551, 649743, 1516067, 1675653, 4548201, 10612469, 31837407]

約数ペア:

[(1, 31837407), (3, 10612469), (7, 4548201), (19, 1675653), (21, 1516067), (49, 649743), (57, 558551), (133, 239379), (147, 216581), (399, 79793), (931, 34197), (2793, 11399)]