1285394025

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{206489}}^1$

素因数の和:206585

約数の個数: 24

約数和(自身を含む): 2150799840

約数和(自身を除く): 865405815

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 6225, 206489, 619467, 1032445, 3097335, 5162225, 15486675, 17138587, 51415761, 85692935, 257078805, 428464675, 1285394025]

約数ペア:

[(1, 1285394025), (3, 428464675), (5, 257078805), (15, 85692935), (25, 51415761), (75, 17138587), (83, 15486675), (249, 5162225), (415, 3097335), (1245, 1032445), (2075, 619467), (6225, 206489)]