128743935

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199603}}^1$

素因数の和:199654

約数の個数: 16

約数和(自身を含む): 210781824

約数和(自身を除く): 82037889

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 199603, 598809, 998015, 2994045, 8582929, 25748787, 42914645, 128743935]

約数ペア:

[(1, 128743935), (3, 42914645), (5, 25748787), (15, 8582929), (43, 2994045), (129, 998015), (215, 598809), (645, 199603)]