31344313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 42561792

約数和(自身を除く): 11217479

約数列:

[1, 7, 11, 13, 77, 91, 143, 173, 181, 1001, 1211, 1267, 1903, 1991, 2249, 2353, 13321, 13937, 15743, 16471, 24739, 25883, 31313, 173173, 181181, 219191, 344443, 407069, 2411101, 2849483, 4477759, 31344313]

約数ペア:

[(1, 31344313), (7, 4477759), (11, 2849483), (13, 2411101), (77, 407069), (91, 344443), (143, 219191), (173, 181181), (181, 173173), (1001, 31313), (1211, 25883), (1267, 24739), (1903, 16471), (1991, 15743), (2249, 13937), (2353, 13321)]