83687985

素因数分解:

$3^5\times 5^1\times {\mathrm{68879}}^1$

素因数の和:68899

約数の個数: 24

約数和(自身を含む): 150433920

約数和(自身を除く): 66745935

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 68879, 206637, 344395, 619911, 1033185, 1859733, 3099555, 5579199, 9298665, 16737597, 27895995, 83687985]

約数ペア:

[(1, 83687985), (3, 27895995), (5, 16737597), (9, 9298665), (15, 5579199), (27, 3099555), (45, 1859733), (81, 1033185), (135, 619911), (243, 344395), (405, 206637), (1215, 68879)]