255857697

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{73459}}^1$

素因数の和:73514

約数の個数: 20

約数和(自身を含む): 391101040

約数和(自身を除く): 135243343

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 73459, 220377, 661131, 1983393, 3158737, 5950179, 9476211, 28428633, 85285899, 255857697]

約数ペア:

[(1, 255857697), (3, 85285899), (9, 28428633), (27, 9476211), (43, 5950179), (81, 3158737), (129, 1983393), (387, 661131), (1161, 220377), (3483, 73459)]