203974929

素因数分解:

$3^9\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 314371552

約数和(自身を除く): 110396623

約数列:

[1, 3, 9, 27, 43, 81, 129, 241, 243, 387, 723, 729, 1161, 2169, 2187, 3483, 6507, 6561, 10363, 10449, 19521, 19683, 31089, 31347, 58563, 93267, 94041, 175689, 279801, 282123, 527067, 839403, 846369, 1581201, 2518209, 4743603, 7554627, 22663881, 67991643, 203974929]

約数ペア:

[(1, 203974929), (3, 67991643), (9, 22663881), (27, 7554627), (43, 4743603), (81, 2518209), (129, 1581201), (241, 846369), (243, 839403), (387, 527067), (723, 282123), (729, 279801), (1161, 175689), (2169, 94041), (2187, 93267), (3483, 58563), (6507, 31347), (6561, 31089), (10363, 19683), (10449, 19521)]