213702921

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{45751}}^1$

素因数の和:45933

約数の個数: 16

約数和(自身を含む): 318433920

約数和(自身を除く): 104730999

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 45751, 137253, 411759, 1235277, 7914923, 23744769, 71234307, 213702921]

約数ペア:

[(1, 213702921), (3, 71234307), (9, 23744769), (27, 7914923), (173, 1235277), (519, 411759), (1557, 137253), (4671, 45751)]