1277776521

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{494687}}^1$

素因数の和:494741

約数の個数: 24

約数和(自身を含む): 2160797184

約数和(自身を除く): 883020663

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 494687, 1484061, 3462809, 4452183, 10388427, 20282167, 31165281, 60846501, 141975169, 182539503, 425925507, 1277776521]

約数ペア:

[(1, 1277776521), (3, 425925507), (7, 182539503), (9, 141975169), (21, 60846501), (41, 31165281), (63, 20282167), (123, 10388427), (287, 4452183), (369, 3462809), (861, 1484061), (2583, 494687)]