138434589

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{307}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 219135840

約数和(自身を除く): 80701251

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 293, 307, 513, 879, 921, 1539, 2637, 2763, 5567, 5833, 7911, 8289, 16701, 17499, 23733, 24867, 50103, 52497, 89951, 150309, 157491, 269853, 450927, 472473, 809559, 1709069, 2428677, 5127207, 7286031, 15381621, 46144863, 138434589]

約数ペア:

[(1, 138434589), (3, 46144863), (9, 15381621), (19, 7286031), (27, 5127207), (57, 2428677), (81, 1709069), (171, 809559), (293, 472473), (307, 450927), (513, 269853), (879, 157491), (921, 150309), (1539, 89951), (2637, 52497), (2763, 50103), (5567, 24867), (5833, 23733), (7911, 17499), (8289, 16701)]