4021223859

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{2612881}}^1$

素因数の和:2612912

約数の個数: 20

約数和(自身を含む): 6323174440

約数和(自身を除く): 2301950581

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 2612881, 7838643, 23515929, 49644739, 70547787, 148934217, 211643361, 446802651, 1340407953, 4021223859]

約数ペア:

[(1, 4021223859), (3, 1340407953), (9, 446802651), (19, 211643361), (27, 148934217), (57, 70547787), (81, 49644739), (171, 23515929), (513, 7838643), (1539, 2612881)]