201159

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 346112

約数和(自身を除く): 144953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 217, 279, 309, 651, 721, 927, 1953, 2163, 3193, 6489, 9579, 22351, 28737, 67053, 201159]

約数ペア:

[(1, 201159), (3, 67053), (7, 28737), (9, 22351), (21, 9579), (31, 6489), (63, 3193), (93, 2163), (103, 1953), (217, 927), (279, 721), (309, 651)]