68705919

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5659}}^1$

素因数の和:5755

約数の個数: 24

約数和(自身を含む): 105955200

約数和(自身を除く): 37249281

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 5659, 12141, 16977, 50931, 107521, 322563, 401789, 967689, 1205367, 3616101, 7633991, 22901973, 68705919]

約数ペア:

[(1, 68705919), (3, 22901973), (9, 7633991), (19, 3616101), (57, 1205367), (71, 967689), (171, 401789), (213, 322563), (639, 107521), (1349, 50931), (4047, 16977), (5659, 12141)]