30278227

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{643}}^1$

素因数の和:719

約数の個数: 18

約数和(自身を含む): 36451044

約数和(自身を除く): 6172817

約数列:

[1, 7, 31, 49, 217, 643, 961, 1519, 4501, 6727, 19933, 31507, 47089, 139531, 617923, 976717, 4325461, 30278227]

約数ペア:

[(1, 30278227), (7, 4325461), (31, 976717), (49, 617923), (217, 139531), (643, 47089), (961, 31507), (1519, 19933), (4501, 6727)]