128217891

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1\times {\mathrm{2423}}^1$

素因数の和:3026

約数の個数: 16

約数和(自身を含む): 176855040

約数和(自身を除く): 48637149

約数列:

[1, 3, 31, 93, 569, 1707, 2423, 7269, 17639, 52917, 75113, 225339, 1378687, 4136061, 42739297, 128217891]

約数ペア:

[(1, 128217891), (3, 42739297), (31, 4136061), (93, 1378687), (569, 225339), (1707, 75113), (2423, 52917), (7269, 17639)]