397607211

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{80471}}^1$

素因数の和:80544

約数の個数: 20

約数和(自身を含む): 603700944

約数和(自身を除く): 206093733

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 80471, 241413, 724239, 2172717, 4908731, 6518151, 14726193, 44178579, 132535737, 397607211]

約数ペア:

[(1, 397607211), (3, 132535737), (9, 44178579), (27, 14726193), (61, 6518151), (81, 4908731), (183, 2172717), (549, 724239), (1647, 241413), (4941, 80471)]