28965915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 55261440

約数和(自身を除く): 26295525

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 163, 165, 359, 489, 495, 815, 1077, 1467, 1793, 1795, 2445, 3231, 3949, 5379, 5385, 7335, 8965, 11847, 16137, 16155, 19745, 26895, 35541, 58517, 59235, 80685, 175551, 177705, 292585, 526653, 643687, 877755, 1931061, 2633265, 3218435, 5793183, 9655305, 28965915]

約数ペア:

[(1, 28965915), (3, 9655305), (5, 5793183), (9, 3218435), (11, 2633265), (15, 1931061), (33, 877755), (45, 643687), (55, 526653), (99, 292585), (163, 177705), (165, 175551), (359, 80685), (489, 59235), (495, 58517), (815, 35541), (1077, 26895), (1467, 19745), (1793, 16155), (1795, 16137), (2445, 11847), (3231, 8965), (3949, 7335), (5379, 5385)]