420787305

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8447}}^1$

素因数の和:8508

約数の個数: 48

約数和(自身を含む): 774918144

約数和(自身を除く): 354130839

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1845, 3321, 5535, 8447, 9963, 16605, 25341, 42235, 49815, 76023, 126705, 228069, 346327, 380115, 684207, 1038981, 1140345, 1731635, 2052621, 3116943, 3421035, 5194905, 9350829, 10263105, 15584715, 28052487, 46754145, 84157461, 140262435, 420787305]

約数ペア:

[(1, 420787305), (3, 140262435), (5, 84157461), (9, 46754145), (15, 28052487), (27, 15584715), (41, 10263105), (45, 9350829), (81, 5194905), (123, 3421035), (135, 3116943), (205, 2052621), (243, 1731635), (369, 1140345), (405, 1038981), (615, 684207), (1107, 380115), (1215, 346327), (1845, 228069), (3321, 126705), (5535, 76023), (8447, 49815), (9963, 42235), (16605, 25341)]