128545791

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 192876288

約数和(自身を除く): 64330497

約数列:

[1, 3, 11, 33, 43, 129, 157, 471, 473, 577, 1419, 1727, 1731, 5181, 6347, 6751, 19041, 20253, 24811, 74261, 74433, 90589, 222783, 271767, 272921, 818763, 996479, 2989437, 3895327, 11685981, 42848597, 128545791]

約数ペア:

[(1, 128545791), (3, 42848597), (11, 11685981), (33, 3895327), (43, 2989437), (129, 996479), (157, 818763), (471, 272921), (473, 271767), (577, 222783), (1419, 90589), (1727, 74433), (1731, 74261), (5181, 24811), (6347, 20253), (6751, 19041)]