20151856191

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{3967}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 27629977600

約数和(自身を除く): 7478121409

約数列:

[1, 3, 67, 127, 199, 201, 381, 597, 3967, 8509, 11901, 13333, 25273, 25527, 39999, 75819, 265789, 503809, 789433, 797367, 1511427, 1693291, 2368299, 5079873, 33755203, 52892011, 100257991, 101265609, 158676033, 300773973, 6717285397, 20151856191]

約数ペア:

[(1, 20151856191), (3, 6717285397), (67, 300773973), (127, 158676033), (199, 101265609), (201, 100257991), (381, 52892011), (597, 33755203), (3967, 5079873), (8509, 2368299), (11901, 1693291), (13333, 1511427), (25273, 797367), (25527, 789433), (39999, 503809), (75819, 265789)]