221427351

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{73883}}^1$

素因数の和:73932

約数の個数: 20

約数和(自身を含む): 339718632

約数和(自身を除く): 118291281

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 73883, 221649, 664947, 1994841, 2733671, 5984523, 8201013, 24603039, 73809117, 221427351]

約数ペア:

[(1, 221427351), (3, 73809117), (9, 24603039), (27, 8201013), (37, 5984523), (81, 2733671), (111, 1994841), (333, 664947), (999, 221649), (2997, 73883)]