128778885

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{14983}}^1$

素因数の和:15185

約数の個数: 24

約数和(自身を含む): 224400384

約数和(自身を除く): 95621499

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 14983, 44949, 74915, 134847, 224745, 674235, 2861753, 8585259, 14308765, 25755777, 42926295, 128778885]

約数ペア:

[(1, 128778885), (3, 42926295), (5, 25755777), (9, 14308765), (15, 8585259), (45, 2861753), (191, 674235), (573, 224745), (955, 134847), (1719, 74915), (2865, 44949), (8595, 14983)]