209968237905

素因数分解:

$3^1\times 5^1\times {\mathrm{33287}}^1\times {\mathrm{420521}}^1$

素因数の和:453816

約数の個数: 16

約数和(自身を含む): 335960072064

約数和(自身を除く): 125991834159

約数列:

[1, 3, 5, 15, 33287, 99861, 166435, 420521, 499305, 1261563, 2102605, 6307815, 13997882527, 41993647581, 69989412635, 209968237905]

約数ペア:

[(1, 209968237905), (3, 69989412635), (5, 41993647581), (15, 13997882527), (33287, 6307815), (99861, 2102605), (166435, 1261563), (420521, 499305)]