199499715

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{661}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 365582880

約数和(自身を除く): 166083165

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 353, 661, 855, 1059, 1765, 1983, 3177, 3305, 5295, 5949, 6707, 9915, 12559, 15885, 20121, 29745, 33535, 37677, 60363, 62795, 100605, 113031, 188385, 233333, 301815, 565155, 699999, 1166665, 2099997, 3499995, 4433327, 10499985, 13299981, 22166635, 39899943, 66499905, 199499715]

約数ペア:

[(1, 199499715), (3, 66499905), (5, 39899943), (9, 22166635), (15, 13299981), (19, 10499985), (45, 4433327), (57, 3499995), (95, 2099997), (171, 1166665), (285, 699999), (353, 565155), (661, 301815), (855, 233333), (1059, 188385), (1765, 113031), (1983, 100605), (3177, 62795), (3305, 60363), (5295, 37677), (5949, 33535), (6707, 29745), (9915, 20121), (12559, 15885)]