7128405

素因数分解:

$3^5\times 5^1\times {\mathrm{5867}}^1$

素因数の和:5887

約数の個数: 24

約数和(自身を含む): 12815712

約数和(自身を除く): 5687307

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 5867, 17601, 29335, 52803, 88005, 158409, 264015, 475227, 792045, 1425681, 2376135, 7128405]

約数ペア:

[(1, 7128405), (3, 2376135), (5, 1425681), (9, 792045), (15, 475227), (27, 264015), (45, 158409), (81, 88005), (135, 52803), (243, 29335), (405, 17601), (1215, 5867)]