2581155

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1399}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 4586400

約数和(自身を除く): 2005245

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1399, 1845, 4197, 6995, 12591, 20985, 57359, 62955, 172077, 286795, 516231, 860385, 2581155]

約数ペア:

[(1, 2581155), (3, 860385), (5, 516231), (9, 286795), (15, 172077), (41, 62955), (45, 57359), (123, 20985), (205, 12591), (369, 6995), (615, 4197), (1399, 1845)]