39886497

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 68245632

約数和(自身を除く): 28359135

約数列:

[1, 3, 7, 9, 21, 61, 63, 97, 107, 183, 291, 321, 427, 549, 679, 749, 873, 963, 1281, 2037, 2247, 3843, 5917, 6111, 6527, 6741, 10379, 17751, 19581, 31137, 41419, 45689, 53253, 58743, 72653, 93411, 124257, 137067, 217959, 372771, 411201, 633119, 653877, 1899357, 4431833, 5698071, 13295499, 39886497]

約数ペア:

[(1, 39886497), (3, 13295499), (7, 5698071), (9, 4431833), (21, 1899357), (61, 653877), (63, 633119), (97, 411201), (107, 372771), (183, 217959), (291, 137067), (321, 124257), (427, 93411), (549, 72653), (679, 58743), (749, 53253), (873, 45689), (963, 41419), (1281, 31137), (2037, 19581), (2247, 17751), (3843, 10379), (5917, 6741), (6111, 6527)]