199945557

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{10271}}^1$

素因数の和:10390

約数の個数: 32

約数和(自身を含む): 341852160

約数和(自身を除く): 141906603

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 2163, 2781, 6489, 10271, 19467, 30813, 71897, 92439, 215691, 277317, 647073, 1057913, 1941219, 3173739, 7405391, 9521217, 22216173, 28563651, 66648519, 199945557]

約数ペア:

[(1, 199945557), (3, 66648519), (7, 28563651), (9, 22216173), (21, 9521217), (27, 7405391), (63, 3173739), (103, 1941219), (189, 1057913), (309, 647073), (721, 277317), (927, 215691), (2163, 92439), (2781, 71897), (6489, 30813), (10271, 19467)]