28839015

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8779}}^1$

素因数の和:8863

約数の個数: 24

約数和(自身を含む): 50678160

約数和(自身を除く): 21839145

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8779, 26337, 43895, 79011, 131685, 395055, 640867, 1922601, 3204335, 5767803, 9613005, 28839015]

約数ペア:

[(1, 28839015), (3, 9613005), (5, 5767803), (9, 3204335), (15, 1922601), (45, 640867), (73, 395055), (219, 131685), (365, 79011), (657, 43895), (1095, 26337), (3285, 8779)]