61389517

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2801}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 73165824

約数和(自身を除く): 11776307

約数列:

[1, 7, 31, 101, 217, 707, 2801, 3131, 19607, 21917, 86831, 282901, 607817, 1980307, 8769931, 61389517]

約数ペア:

[(1, 61389517), (7, 8769931), (31, 1980307), (101, 607817), (217, 282901), (707, 86831), (2801, 21917), (3131, 19607)]