51563043

素因数分解:

$3^2\times 7^2\times {\mathrm{116923}}^1$

素因数の和:116943

約数の個数: 18

約数和(自身を含む): 86640684

約数和(自身を除く): 35077641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 116923, 350769, 818461, 1052307, 2455383, 5729227, 7366149, 17187681, 51563043]

約数ペア:

[(1, 51563043), (3, 17187681), (7, 7366149), (9, 5729227), (21, 2455383), (49, 1052307), (63, 818461), (147, 350769), (441, 116923)]