201389991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2039}}^1$

素因数の和:2167

約数の個数: 32

約数和(自身を含む): 304335360

約数和(自身を除く): 102945369

約数列:

[1, 3, 11, 33, 41, 73, 123, 219, 451, 803, 1353, 2039, 2409, 2993, 6117, 8979, 22429, 32923, 67287, 83599, 98769, 148847, 250797, 446541, 919589, 1637317, 2758767, 4911951, 6102727, 18308181, 67129997, 201389991]

約数ペア:

[(1, 201389991), (3, 67129997), (11, 18308181), (33, 6102727), (41, 4911951), (73, 2758767), (123, 1637317), (219, 919589), (451, 446541), (803, 250797), (1353, 148847), (2039, 98769), (2409, 83599), (2993, 67287), (6117, 32923), (8979, 22429)]