2778021

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 4328064

約数和(自身を除く): 1550043

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 271, 603, 813, 1139, 2439, 3417, 4607, 10251, 13821, 18157, 41463, 54471, 163413, 308669, 926007, 2778021]

約数ペア:

[(1, 2778021), (3, 926007), (9, 308669), (17, 163413), (51, 54471), (67, 41463), (153, 18157), (201, 13821), (271, 10251), (603, 4607), (813, 3417), (1139, 2439)]