248575257

素因数分解:

$3^3\times 7^1\times {\mathrm{1315213}}^1$

素因数の和:1315229

約数の個数: 16

約数和(自身を含む): 420868480

約数和(自身を除く): 172293223

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1315213, 3945639, 9206491, 11836917, 27619473, 35510751, 82858419, 248575257]

約数ペア:

[(1, 248575257), (3, 82858419), (7, 35510751), (9, 27619473), (21, 11836917), (27, 9206491), (63, 3945639), (189, 1315213)]