199021815

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{39139}}^1$

素因数の和:39263

約数の個数: 24

約数和(自身を含む): 348032880

約数和(自身を除く): 149011065

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 5085, 39139, 117417, 195695, 352251, 587085, 1761255, 4422707, 13268121, 22113535, 39804363, 66340605, 199021815]

約数ペア:

[(1, 199021815), (3, 66340605), (5, 39804363), (9, 22113535), (15, 13268121), (45, 4422707), (113, 1761255), (339, 587085), (565, 352251), (1017, 195695), (1695, 117417), (5085, 39139)]