655123059

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{425681}}^1$

素因数の和:425712

約数の個数: 20

約数和(自身を含む): 1030150440

約数和(自身を除く): 375027381

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 425681, 1277043, 3831129, 8087939, 11493387, 24263817, 34480161, 72791451, 218374353, 655123059]

約数ペア:

[(1, 655123059), (3, 218374353), (9, 72791451), (19, 34480161), (27, 24263817), (57, 11493387), (81, 8087939), (171, 3831129), (513, 1277043), (1539, 425681)]