397316259

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{114073}}^1$

素因数の和:114128

約数の個数: 20

約数和(自身を含む): 607329976

約数和(自身を除く): 210013717

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 114073, 342219, 1026657, 3079971, 4905139, 9239913, 14715417, 44146251, 132438753, 397316259]

約数ペア:

[(1, 397316259), (3, 132438753), (9, 44146251), (27, 14715417), (43, 9239913), (81, 4905139), (129, 3079971), (387, 1026657), (1161, 342219), (3483, 114073)]