211580229

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{4561}}^1$

素因数の和:4665

約数の個数: 24

約数和(自身を含む): 329485888

約数和(自身を除く): 117905659

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 2209, 4561, 6627, 13683, 15463, 31927, 46389, 95781, 214367, 643101, 1500569, 4501707, 10075249, 30225747, 70526743, 211580229]

約数ペア:

[(1, 211580229), (3, 70526743), (7, 30225747), (21, 10075249), (47, 4501707), (141, 1500569), (329, 643101), (987, 214367), (2209, 95781), (4561, 46389), (6627, 31927), (13683, 15463)]