397768077

素因数分解:

$3^4\times 7^1\times {\mathrm{701531}}^1$

素因数の和:701550

約数の個数: 20

約数和(自身を含む): 679082976

約数和(自身を除く): 281314899

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 701531, 2104593, 4910717, 6313779, 14732151, 18941337, 44196453, 56824011, 132589359, 397768077]

約数ペア:

[(1, 397768077), (3, 132589359), (7, 56824011), (9, 44196453), (21, 18941337), (27, 14732151), (63, 6313779), (81, 4910717), (189, 2104593), (567, 701531)]