247863393

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{1061}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 363318696

約数和(自身を除く): 115455303

約数列:

[1, 3, 9, 101, 257, 303, 771, 909, 1061, 2313, 3183, 9549, 25957, 77871, 107161, 233613, 272677, 321483, 818031, 964449, 2454093, 27540377, 82621131, 247863393]

約数ペア:

[(1, 247863393), (3, 82621131), (9, 27540377), (101, 2454093), (257, 964449), (303, 818031), (771, 321483), (909, 272677), (1061, 233613), (2313, 107161), (3183, 77871), (9549, 25957)]