199734819

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 291133440

約数和(自身を除く): 91398621

約数列:

[1, 3, 17, 47, 51, 103, 141, 309, 799, 809, 1751, 2397, 2427, 4841, 5253, 13753, 14523, 38023, 41259, 82297, 83327, 114069, 246891, 249981, 646391, 1416559, 1939173, 3916369, 4249677, 11749107, 66578273, 199734819]

約数ペア:

[(1, 199734819), (3, 66578273), (17, 11749107), (47, 4249677), (51, 3916369), (103, 1939173), (141, 1416559), (309, 646391), (799, 249981), (809, 246891), (1751, 114069), (2397, 83327), (2427, 82297), (4841, 41259), (5253, 38023), (13753, 14523)]