1639891197

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{1459}}^1$

素因数の和:1807

約数の個数: 64

約数和(自身を含む): 2934016000

約数和(自身を除く): 1294124803

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 313, 399, 513, 939, 1197, 1459, 2191, 2817, 3591, 4377, 5947, 6573, 8451, 10213, 13131, 17841, 19719, 27721, 30639, 39393, 41629, 53523, 59157, 83163, 91917, 124887, 160569, 194047, 249489, 275751, 374661, 456667, 582141, 748467, 1123983, 1370001, 1746423, 3196669, 4110003, 5239269, 8676673, 9590007, 12330009, 26030019, 28770021, 60736711, 78090057, 86310063, 182210133, 234270171, 546630399, 1639891197]

約数ペア:

[(1, 1639891197), (3, 546630399), (7, 234270171), (9, 182210133), (19, 86310063), (21, 78090057), (27, 60736711), (57, 28770021), (63, 26030019), (133, 12330009), (171, 9590007), (189, 8676673), (313, 5239269), (399, 4110003), (513, 3196669), (939, 1746423), (1197, 1370001), (1459, 1123983), (2191, 748467), (2817, 582141), (3591, 456667), (4377, 374661), (5947, 275751), (6573, 249489), (8451, 194047), (10213, 160569), (13131, 124887), (17841, 91917), (19719, 83163), (27721, 59157), (30639, 53523), (39393, 41629)]