72128693

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 93988800

約数和(自身を除く): 21860107

約数列:

[1, 7, 13, 19, 91, 133, 169, 247, 1183, 1729, 3209, 3211, 22463, 22477, 41717, 60971, 292019, 426797, 542321, 792623, 3796247, 5548361, 10304099, 72128693]

約数ペア:

[(1, 72128693), (7, 10304099), (13, 5548361), (19, 3796247), (91, 792623), (133, 542321), (169, 426797), (247, 292019), (1183, 60971), (1729, 41717), (3209, 22477), (3211, 22463)]