221691057

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{224611}}^1$

素因数の和:224668

約数の個数: 16

約数和(自身を含む): 345004032

約数和(自身を除く): 123312975

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 224611, 673833, 1572277, 4716831, 10556717, 31670151, 73897019, 221691057]

約数ペア:

[(1, 221691057), (3, 73897019), (7, 31670151), (21, 10556717), (47, 4716831), (141, 1572277), (329, 673833), (987, 224611)]