2518131

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 4221952

約数和(自身を除く): 1703821

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 991, 2541, 2973, 6937, 10901, 20811, 32703, 76307, 119911, 228921, 359733, 839377, 2518131]

約数ペア:

[(1, 2518131), (3, 839377), (7, 359733), (11, 228921), (21, 119911), (33, 76307), (77, 32703), (121, 20811), (231, 10901), (363, 6937), (847, 2973), (991, 2541)]