388443357

素因数分解:

$3^4\times {\mathrm{491}}^1\times {\mathrm{9767}}^1$

素因数の和:10270

約数の個数: 20

約数和(自身を含む): 581508576

約数和(自身を除く): 193065219

約数列:

[1, 3, 9, 27, 81, 491, 1473, 4419, 9767, 13257, 29301, 39771, 87903, 263709, 791127, 4795597, 14386791, 43160373, 129481119, 388443357]

約数ペア:

[(1, 388443357), (3, 129481119), (9, 43160373), (27, 14386791), (81, 4795597), (491, 791127), (1473, 263709), (4419, 87903), (9767, 39771), (13257, 29301)]