47392821

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 88121280

約数和(自身を除く): 40728459

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 137, 153, 171, 289, 323, 357, 399, 411, 867, 959, 969, 1071, 1197, 1233, 2023, 2261, 2329, 2601, 2603, 2877, 2907, 5491, 6069, 6783, 6987, 7809, 8631, 16303, 16473, 18207, 18221, 20349, 20961, 23427, 38437, 39593, 44251, 48909, 49419, 54663, 115311, 118779, 132753, 146727, 163989, 277151, 309757, 345933, 356337, 398259, 752267, 831453, 929271, 2256801, 2494359, 2787813, 5265869, 6770403, 15797607, 47392821]

約数ペア:

[(1, 47392821), (3, 15797607), (7, 6770403), (9, 5265869), (17, 2787813), (19, 2494359), (21, 2256801), (51, 929271), (57, 831453), (63, 752267), (119, 398259), (133, 356337), (137, 345933), (153, 309757), (171, 277151), (289, 163989), (323, 146727), (357, 132753), (399, 118779), (411, 115311), (867, 54663), (959, 49419), (969, 48909), (1071, 44251), (1197, 39593), (1233, 38437), (2023, 23427), (2261, 20961), (2329, 20349), (2601, 18221), (2603, 18207), (2877, 16473), (2907, 16303), (5491, 8631), (6069, 7809), (6783, 6987)]