2021927229

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1311

約数の個数: 72

約数和(自身を含む): 3536881920

約数和(自身を除く): 1514954691

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 131, 147, 217, 279, 393, 441, 651, 917, 1129, 1179, 1519, 1953, 2751, 3387, 4061, 4557, 6419, 7903, 8253, 10161, 12183, 13671, 19257, 23709, 28427, 34999, 36549, 55321, 57771, 71127, 85281, 104997, 147899, 165963, 198989, 244993, 255843, 314991, 443697, 497889, 596967, 734979, 1035293, 1331091, 1714951, 1790901, 2204937, 3105879, 4584869, 5144853, 7247051, 9317637, 13754607, 15434559, 21741153, 32094083, 41263821, 65223459, 96282249, 224658581, 288846747, 673975743, 2021927229]

約数ペア:

[(1, 2021927229), (3, 673975743), (7, 288846747), (9, 224658581), (21, 96282249), (31, 65223459), (49, 41263821), (63, 32094083), (93, 21741153), (131, 15434559), (147, 13754607), (217, 9317637), (279, 7247051), (393, 5144853), (441, 4584869), (651, 3105879), (917, 2204937), (1129, 1790901), (1179, 1714951), (1519, 1331091), (1953, 1035293), (2751, 734979), (3387, 596967), (4061, 497889), (4557, 443697), (6419, 314991), (7903, 255843), (8253, 244993), (10161, 198989), (12183, 165963), (13671, 147899), (19257, 104997), (23709, 85281), (28427, 71127), (34999, 57771), (36549, 55321)]