198688383

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{7069}}^1$

素因数の和:7428

約数の個数: 20

約数和(自身を含む): 297703560

約数和(自身を除く): 99015177

約数列:

[1, 3, 9, 27, 81, 347, 1041, 3123, 7069, 9369, 21207, 28107, 63621, 190863, 572589, 2452943, 7358829, 22076487, 66229461, 198688383]

約数ペア:

[(1, 198688383), (3, 66229461), (9, 22076487), (27, 7358829), (81, 2452943), (347, 572589), (1041, 190863), (3123, 63621), (7069, 28107), (9369, 21207)]