65445921

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{15439}}^1$

素因数の和:15605

約数の個数: 16

約数和(自身を含む): 97580800

約数和(自身を除く): 32134879

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 15439, 46317, 138951, 416853, 2423923, 7271769, 21815307, 65445921]

約数ペア:

[(1, 65445921), (3, 21815307), (9, 7271769), (27, 2423923), (157, 416853), (471, 138951), (1413, 46317), (4239, 15439)]