2648979

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 4073472

約数和(自身を除く): 1424493

約数列:

[1, 3, 9, 23, 67, 69, 191, 201, 207, 573, 603, 1541, 1719, 4393, 4623, 12797, 13179, 13869, 38391, 39537, 115173, 294331, 882993, 2648979]

約数ペア:

[(1, 2648979), (3, 882993), (9, 294331), (23, 115173), (67, 39537), (69, 38391), (191, 13869), (201, 13179), (207, 12797), (573, 4623), (603, 4393), (1541, 1719)]