725087295

素因数分解:

$3^4\times 5^1\times {\mathrm{1790339}}^1$

素因数の和:1790356

約数の個数: 20

約数和(自身を含む): 1299786840

約数和(自身を除く): 574699545

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1790339, 5371017, 8951695, 16113051, 26855085, 48339153, 80565255, 145017459, 241695765, 725087295]

約数ペア:

[(1, 725087295), (3, 241695765), (5, 145017459), (9, 80565255), (15, 48339153), (27, 26855085), (45, 16113051), (81, 8951695), (135, 5371017), (405, 1790339)]