13872019903

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{9132337}}^1$

素因数の和:9132382

約数の個数: 12

約数和(自身を含む): 16657384512

約数和(自身を除く): 2785364609

約数列:

[1, 7, 31, 49, 217, 1519, 9132337, 63926359, 283102447, 447484513, 1981717129, 13872019903]

約数ペア:

[(1, 13872019903), (7, 1981717129), (31, 447484513), (49, 283102447), (217, 63926359), (1519, 9132337)]