2520782019

素因数分解:

$3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61463}}^1$

素因数の和:61517

約数の個数: 48

約数和(自身を含む): 4484413440

約数和(自身を除く): 1963631421

約数列:

[1, 3, 7, 9, 21, 27, 31, 49, 63, 93, 147, 189, 217, 279, 441, 651, 837, 1323, 1519, 1953, 4557, 5859, 13671, 41013, 61463, 184389, 430241, 553167, 1290723, 1659501, 1905353, 3011687, 3872169, 5716059, 9035061, 11616507, 13337471, 17148177, 27105183, 40012413, 51444531, 81315549, 93362297, 120037239, 280086891, 360111717, 840260673, 2520782019]

約数ペア:

[(1, 2520782019), (3, 840260673), (7, 360111717), (9, 280086891), (21, 120037239), (27, 93362297), (31, 81315549), (49, 51444531), (63, 40012413), (93, 27105183), (147, 17148177), (189, 13337471), (217, 11616507), (279, 9035061), (441, 5716059), (651, 3872169), (837, 3011687), (1323, 1905353), (1519, 1659501), (1953, 1290723), (4557, 553167), (5859, 430241), (13671, 184389), (41013, 61463)]