31245345

素因数分解:

$3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 56453760

約数和(自身を除く): 25208415

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 179, 405, 431, 537, 895, 1293, 1611, 2155, 2685, 3879, 4833, 6465, 8055, 11637, 14499, 19395, 24165, 34911, 58185, 72495, 77149, 174555, 231447, 385745, 694341, 1157235, 2083023, 3471705, 6249069, 10415115, 31245345]

約数ペア:

[(1, 31245345), (3, 10415115), (5, 6249069), (9, 3471705), (15, 2083023), (27, 1157235), (45, 694341), (81, 385745), (135, 231447), (179, 174555), (405, 77149), (431, 72495), (537, 58185), (895, 34911), (1293, 24165), (1611, 19395), (2155, 14499), (2685, 11637), (3879, 8055), (4833, 6465)]