487991655

素因数分解:

$3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 889574400

約数和(自身を除く): 401582745

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 135, 177, 197, 295, 311, 531, 591, 885, 933, 985, 1555, 1593, 1773, 2655, 2799, 2955, 4665, 5319, 7965, 8397, 8865, 11623, 13995, 18349, 26595, 34869, 41985, 55047, 58115, 61267, 91745, 104607, 165141, 174345, 183801, 275235, 306335, 313821, 495423, 523035, 551403, 825705, 919005, 1569105, 1654209, 2477115, 2757015, 3614753, 8271045, 10844259, 18073765, 32532777, 54221295, 97598331, 162663885, 487991655]

約数ペア:

[(1, 487991655), (3, 162663885), (5, 97598331), (9, 54221295), (15, 32532777), (27, 18073765), (45, 10844259), (59, 8271045), (135, 3614753), (177, 2757015), (197, 2477115), (295, 1654209), (311, 1569105), (531, 919005), (591, 825705), (885, 551403), (933, 523035), (985, 495423), (1555, 313821), (1593, 306335), (1773, 275235), (2655, 183801), (2799, 174345), (2955, 165141), (4665, 104607), (5319, 91745), (7965, 61267), (8397, 58115), (8865, 55047), (11623, 41985), (13995, 34869), (18349, 26595)]