25649055

素因数分解:

$3^4\times 5^1\times {\mathrm{63331}}^1$

素因数の和:63348

約数の個数: 20

約数和(自身を含む): 45979032

約数和(自身を除く): 20329977

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63331, 189993, 316655, 569979, 949965, 1709937, 2849895, 5129811, 8549685, 25649055]

約数ペア:

[(1, 25649055), (3, 8549685), (5, 5129811), (9, 2849895), (15, 1709937), (27, 949965), (45, 569979), (81, 316655), (135, 189993), (405, 63331)]