28318635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27361}}^1$

素因数の和:27395

約数の個数: 24

約数和(自身を含む): 51221664

約数和(自身を除く): 22903029

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27361, 82083, 136805, 246249, 410415, 629303, 1231245, 1887909, 3146515, 5663727, 9439545, 28318635]

約数ペア:

[(1, 28318635), (3, 9439545), (5, 5663727), (9, 3146515), (15, 1887909), (23, 1231245), (45, 629303), (69, 410415), (115, 246249), (207, 136805), (345, 82083), (1035, 27361)]