201789987

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{4783}}^1$

素因数の和:4848

約数の個数: 32

約数和(自身を含む): 321484800

約数和(自身を除く): 119694813

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 861, 1029, 2009, 4783, 6027, 14063, 14349, 33481, 42189, 100443, 196103, 234367, 588309, 703101, 1372721, 1640569, 4118163, 4921707, 9609047, 28827141, 67263329, 201789987]

約数ペア:

[(1, 201789987), (3, 67263329), (7, 28827141), (21, 9609047), (41, 4921707), (49, 4118163), (123, 1640569), (147, 1372721), (287, 703101), (343, 588309), (861, 234367), (1029, 196103), (2009, 100443), (4783, 42189), (6027, 33481), (14063, 14349)]