2011082721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{3719}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 2892672000

約数和(自身を除く): 881589279

約数列:

[1, 3, 19, 53, 57, 159, 179, 537, 1007, 3021, 3401, 3719, 9487, 10203, 11157, 28461, 70661, 180253, 197107, 211983, 540759, 591321, 665701, 1997103, 3745033, 11235099, 12648319, 35282153, 37944957, 105846459, 670360907, 2011082721]

約数ペア:

[(1, 2011082721), (3, 670360907), (19, 105846459), (53, 37944957), (57, 35282153), (159, 12648319), (179, 11235099), (537, 3745033), (1007, 1997103), (3021, 665701), (3401, 591321), (3719, 540759), (9487, 211983), (10203, 197107), (11157, 180253), (28461, 70661)]