2821721903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{122561}}^1$

素因数の和:122615

約数の個数: 32

約数和(自身を含む): 3953359872

約数和(自身を除く): 1131637969

約数列:

[1, 7, 11, 13, 23, 77, 91, 143, 161, 253, 299, 1001, 1771, 2093, 3289, 23023, 122561, 857927, 1348171, 1593293, 2818903, 9437197, 11153051, 17526223, 19732321, 31007933, 36645739, 122683561, 217055531, 256520173, 403103129, 2821721903]

約数ペア:

[(1, 2821721903), (7, 403103129), (11, 256520173), (13, 217055531), (23, 122683561), (77, 36645739), (91, 31007933), (143, 19732321), (161, 17526223), (253, 11153051), (299, 9437197), (1001, 2818903), (1771, 1593293), (2093, 1348171), (3289, 857927), (23023, 122561)]