2156285439

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^2$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 3988313472

約数和(自身を除く): 1832028033

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 269, 301, 387, 473, 693, 807, 903, 1419, 1883, 2421, 2709, 2959, 3311, 4257, 5649, 8877, 9933, 11567, 16947, 20713, 26631, 29799, 34701, 62139, 72361, 80969, 104103, 127237, 186417, 217083, 242907, 381711, 506527, 651249, 728721, 795971, 890659, 1145133, 1519581, 2387913, 2671977, 3111523, 4558743, 5571797, 7163739, 8015931, 9334569, 16715391, 21780661, 28003707, 34226753, 50146173, 65341983, 102680259, 196025949, 239587271, 308040777, 718761813, 2156285439]

約数ペア:

[(1, 2156285439), (3, 718761813), (7, 308040777), (9, 239587271), (11, 196025949), (21, 102680259), (33, 65341983), (43, 50146173), (63, 34226753), (77, 28003707), (99, 21780661), (129, 16715391), (231, 9334569), (269, 8015931), (301, 7163739), (387, 5571797), (473, 4558743), (693, 3111523), (807, 2671977), (903, 2387913), (1419, 1519581), (1883, 1145133), (2421, 890659), (2709, 795971), (2959, 728721), (3311, 651249), (4257, 506527), (5649, 381711), (8877, 242907), (9933, 217083), (11567, 186417), (16947, 127237), (20713, 104103), (26631, 80969), (29799, 72361), (34701, 62139)]