81120075

素因数分解:

$3^1\times 5^2\times {\mathrm{617}}^1\times {\mathrm{1753}}^1$

素因数の和:2383

約数の個数: 24

約数和(自身を含む): 134412528

約数和(自身を除く): 53292453

約数列:

[1, 3, 5, 15, 25, 75, 617, 1753, 1851, 3085, 5259, 8765, 9255, 15425, 26295, 43825, 46275, 131475, 1081601, 3244803, 5408005, 16224015, 27040025, 81120075]

約数ペア:

[(1, 81120075), (3, 27040025), (5, 16224015), (15, 5408005), (25, 3244803), (75, 1081601), (617, 131475), (1753, 46275), (1851, 43825), (3085, 26295), (5259, 15425), (8765, 9255)]