199215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 365040

約数和(自身を除く): 165825

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 233, 285, 699, 855, 1165, 2097, 3495, 4427, 10485, 13281, 22135, 39843, 66405, 199215]

約数ペア:

[(1, 199215), (3, 66405), (5, 39843), (9, 22135), (15, 13281), (19, 10485), (45, 4427), (57, 3495), (95, 2097), (171, 1165), (233, 855), (285, 699)]