208988892015

素因数分解:

$3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{21668107}}^1$

素因数の和:21668758

約数の個数: 16

約数和(自身を含む): 334902277248

約数和(自身を除く): 125913385233

約数列:

[1, 3, 5, 15, 643, 1929, 3215, 9645, 21668107, 65004321, 108340535, 325021605, 13932592801, 41797778403, 69662964005, 208988892015]

約数ペア:

[(1, 208988892015), (3, 69662964005), (5, 41797778403), (15, 13932592801), (643, 325021605), (1929, 108340535), (3215, 65004321), (9645, 21668107)]