243040889

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{13421}}^1$

素因数の和:13640

約数の個数: 16

約数和(自身を含む): 300652800

約数和(自身を除く): 57611911

約数列:

[1, 7, 13, 91, 199, 1393, 2587, 13421, 18109, 93947, 174473, 1221311, 2670779, 18695453, 34720127, 243040889]

約数ペア:

[(1, 243040889), (7, 34720127), (13, 18695453), (91, 2670779), (199, 1221311), (1393, 174473), (2587, 93947), (13421, 18109)]