211344777

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 363647232

約数和(自身を除く): 152302455

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 497, 639, 777, 1277, 1491, 2331, 2627, 3831, 4473, 7881, 8939, 11493, 18389, 23643, 26817, 47249, 55167, 80451, 90667, 141747, 165501, 272001, 330743, 425241, 634669, 816003, 992229, 1904007, 2976687, 3354679, 5712021, 10064037, 23482753, 30192111, 70448259, 211344777]

約数ペア:

[(1, 211344777), (3, 70448259), (7, 30192111), (9, 23482753), (21, 10064037), (37, 5712021), (63, 3354679), (71, 2976687), (111, 1904007), (213, 992229), (259, 816003), (333, 634669), (497, 425241), (639, 330743), (777, 272001), (1277, 165501), (1491, 141747), (2331, 90667), (2627, 80451), (3831, 55167), (4473, 47249), (7881, 26817), (8939, 23643), (11493, 18389)]