198734553

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{19319}}^1$

素因数の和:19458

約数の個数: 20

約数和(自身を含む): 299228160

約数和(自身を除く): 100493607

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 19319, 57957, 173871, 521613, 1564839, 2453513, 7360539, 22081617, 66244851, 198734553]

約数ペア:

[(1, 198734553), (3, 66244851), (9, 22081617), (27, 7360539), (81, 2453513), (127, 1564839), (381, 521613), (1143, 173871), (3429, 57957), (10287, 19319)]