72906057

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{8447}}^1$

素因数の和:8597

約数の個数: 24

約数和(自身を含む): 121245696

約数和(自身を除く): 48339639

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8447, 8631, 25341, 59129, 76023, 177387, 532161, 1157239, 3471717, 8100673, 10415151, 24302019, 72906057]

約数ペア:

[(1, 72906057), (3, 24302019), (7, 10415151), (9, 8100673), (21, 3471717), (63, 1157239), (137, 532161), (411, 177387), (959, 76023), (1233, 59129), (2877, 25341), (8447, 8631)]