81209255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{8929}}^1$

素因数の和:9058

約数の個数: 16

約数和(自身を含む): 104159520

約数和(自身を除く): 22950265

約数列:

[1, 5, 17, 85, 107, 535, 1819, 8929, 9095, 44645, 151793, 758965, 955403, 4777015, 16241851, 81209255]

約数ペア:

[(1, 81209255), (5, 16241851), (17, 4777015), (85, 955403), (107, 758965), (535, 151793), (1819, 44645), (8929, 9095)]