279897363

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{8929}}^1$

素因数の和:8990

約数の個数: 28

約数和(自身を含む): 429461560

約数和(自身を除く): 149564197

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 729, 1161, 3483, 8929, 10449, 26787, 31347, 80361, 241083, 383947, 723249, 1151841, 2169747, 3455523, 6509241, 10366569, 31099707, 93299121, 279897363]

約数ペア:

[(1, 279897363), (3, 93299121), (9, 31099707), (27, 10366569), (43, 6509241), (81, 3455523), (129, 2169747), (243, 1151841), (387, 723249), (729, 383947), (1161, 241083), (3483, 80361), (8929, 31347), (10449, 26787)]