248886351

素因数分解:

$3^4\times 7^1\times {\mathrm{438953}}^1$

素因数の和:438972

約数の個数: 20

約数和(自身を含む): 424907472

約数和(自身を除く): 176021121

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 438953, 1316859, 3072671, 3950577, 9218013, 11851731, 27654039, 35555193, 82962117, 248886351]

約数ペア:

[(1, 248886351), (3, 82962117), (7, 35555193), (9, 27654039), (21, 11851731), (27, 9218013), (63, 3950577), (81, 3072671), (189, 1316859), (567, 438953)]