51307557

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{8117}}^1$

素因数の和:8177

約数の個数: 24

約数和(自身を含む): 81439776

約数和(自身を除く): 30132219

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 8117, 24351, 56819, 170457, 349031, 397733, 1047093, 1193199, 2443217, 7329651, 17102519, 51307557]

約数ペア:

[(1, 51307557), (3, 17102519), (7, 7329651), (21, 2443217), (43, 1193199), (49, 1047093), (129, 397733), (147, 349031), (301, 170457), (903, 56819), (2107, 24351), (6321, 8117)]