67251405

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20287}}^1$

素因数の和:20325

約数の個数: 32

約数和(自身を含む): 122701824

約数和(自身を除く): 55450419

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 20287, 60861, 101435, 263731, 304305, 344879, 791193, 1034637, 1318655, 1724395, 3955965, 4483427, 5173185, 13450281, 22417135, 67251405]

約数ペア:

[(1, 67251405), (3, 22417135), (5, 13450281), (13, 5173185), (15, 4483427), (17, 3955965), (39, 1724395), (51, 1318655), (65, 1034637), (85, 791193), (195, 344879), (221, 304305), (255, 263731), (663, 101435), (1105, 60861), (3315, 20287)]