156779145

素因数分解:

$3^4\times 5^1\times {\mathrm{387109}}^1$

素因数の和:387126

約数の個数: 20

約数和(自身を含む): 281041860

約数和(自身を除く): 124262715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387109, 1161327, 1935545, 3483981, 5806635, 10451943, 17419905, 31355829, 52259715, 156779145]

約数ペア:

[(1, 156779145), (3, 52259715), (5, 31355829), (9, 17419905), (15, 10451943), (27, 5806635), (45, 3483981), (81, 1935545), (135, 1161327), (405, 387109)]