5121225

素因数分解:

$3^6\times 5^2\times {\mathrm{281}}^1$

素因数の和:309

約数の個数: 42

約数和(自身を含む): 9555006

約数和(自身を除く): 4433781

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 281, 405, 675, 729, 843, 1215, 1405, 2025, 2529, 3645, 4215, 6075, 7025, 7587, 12645, 18225, 21075, 22761, 37935, 63225, 68283, 113805, 189675, 204849, 341415, 569025, 1024245, 1707075, 5121225]

約数ペア:

[(1, 5121225), (3, 1707075), (5, 1024245), (9, 569025), (15, 341415), (25, 204849), (27, 189675), (45, 113805), (75, 68283), (81, 63225), (135, 37935), (225, 22761), (243, 21075), (281, 18225), (405, 12645), (675, 7587), (729, 7025), (843, 6075), (1215, 4215), (1405, 3645), (2025, 2529)]