256397229

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{136309}}^1$

素因数の和:136345

約数の個数: 24

約数和(自身を含む): 425287200

約数和(自身を除く): 168889971

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 136309, 408927, 1226781, 1499399, 2589871, 4498197, 7769613, 13494591, 23308839, 28488581, 85465743, 256397229]

約数ペア:

[(1, 256397229), (3, 85465743), (9, 28488581), (11, 23308839), (19, 13494591), (33, 7769613), (57, 4498197), (99, 2589871), (171, 1499399), (209, 1226781), (627, 408927), (1881, 136309)]