3990987

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 7757568

約数和(自身を除く): 3766581

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 443, 693, 819, 1001, 1287, 1329, 3003, 3101, 3987, 4873, 5759, 9009, 9303, 14619, 17277, 27909, 34111, 40313, 43857, 51831, 63349, 102333, 120939, 190047, 306999, 362817, 443443, 570141, 1330329, 3990987]

約数ペア:

[(1, 3990987), (3, 1330329), (7, 570141), (9, 443443), (11, 362817), (13, 306999), (21, 190047), (33, 120939), (39, 102333), (63, 63349), (77, 51831), (91, 43857), (99, 40313), (117, 34111), (143, 27909), (231, 17277), (273, 14619), (429, 9303), (443, 9009), (693, 5759), (819, 4873), (1001, 3987), (1287, 3101), (1329, 3003)]