28641519

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{3433}}^1$

素因数の和:3548

約数の個数: 20

約数和(自身を含む): 43213456

約数和(自身を除く): 14571937

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 3433, 8343, 10299, 30897, 92691, 278073, 353599, 1060797, 3182391, 9547173, 28641519]

約数ペア:

[(1, 28641519), (3, 9547173), (9, 3182391), (27, 1060797), (81, 353599), (103, 278073), (309, 92691), (927, 30897), (2781, 10299), (3433, 8343)]