1691019

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 48

約数和(自身を含む): 2995200

約数和(自身を除く): 1304181

約数列:

[1, 3, 9, 11, 19, 29, 31, 33, 57, 87, 93, 99, 171, 209, 261, 279, 319, 341, 551, 589, 627, 899, 957, 1023, 1653, 1767, 1881, 2697, 2871, 3069, 4959, 5301, 6061, 6479, 8091, 9889, 17081, 18183, 19437, 29667, 51243, 54549, 58311, 89001, 153729, 187891, 563673, 1691019]

約数ペア:

[(1, 1691019), (3, 563673), (9, 187891), (11, 153729), (19, 89001), (29, 58311), (31, 54549), (33, 51243), (57, 29667), (87, 19437), (93, 18183), (99, 17081), (171, 9889), (209, 8091), (261, 6479), (279, 6061), (319, 5301), (341, 4959), (551, 3069), (589, 2871), (627, 2697), (899, 1881), (957, 1767), (1023, 1653)]