215513301

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 311879808

約数和(自身を除く): 96366507

約数列:

[1, 3, 17, 51, 73, 107, 219, 321, 541, 1241, 1623, 1819, 3723, 5457, 7811, 9197, 23433, 27591, 39493, 57887, 118479, 132787, 173661, 398361, 671381, 984079, 2014143, 2952237, 4225751, 12677253, 71837767, 215513301]

約数ペア:

[(1, 215513301), (3, 71837767), (17, 12677253), (51, 4225751), (73, 2952237), (107, 2014143), (219, 984079), (321, 671381), (541, 398361), (1241, 173661), (1623, 132787), (1819, 118479), (3723, 57887), (5457, 39493), (7811, 27591), (9197, 23433)]