71977939

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{619}}^1$

素因数の和:703

約数の個数: 18

約数和(自身を含む): 81882780

約数和(自身を除く): 9904841

約数列:

[1, 11, 31, 121, 341, 619, 961, 3751, 6809, 10571, 19189, 74899, 116281, 211079, 594859, 2321869, 6543449, 71977939]

約数ペア:

[(1, 71977939), (11, 6543449), (31, 2321869), (121, 594859), (341, 211079), (619, 116281), (961, 74899), (3751, 19189), (6809, 10571)]