49801353

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 78431232

約数和(自身を除く): 28629879

約数列:

[1, 3, 7, 21, 43, 129, 131, 301, 393, 421, 903, 917, 1263, 2751, 2947, 5633, 8841, 16899, 18103, 39431, 54309, 55151, 118293, 126721, 165453, 380163, 386057, 1158171, 2371493, 7114479, 16600451, 49801353]

約数ペア:

[(1, 49801353), (3, 16600451), (7, 7114479), (21, 2371493), (43, 1158171), (129, 386057), (131, 380163), (301, 165453), (393, 126721), (421, 118293), (903, 55151), (917, 54309), (1263, 39431), (2751, 18103), (2947, 16899), (5633, 8841)]