210875385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3011}}^1$

素因数の和:3078

約数の個数: 64

約数和(自身を含む): 416378880

約数和(自身を除く): 205503495

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 69, 87, 105, 115, 145, 161, 203, 345, 435, 483, 609, 667, 805, 1015, 2001, 2415, 3011, 3045, 3335, 4669, 9033, 10005, 14007, 15055, 21077, 23345, 45165, 63231, 69253, 70035, 87319, 105385, 207759, 261957, 316155, 346265, 436595, 484771, 611233, 1038795, 1309785, 1454313, 1833699, 2008337, 2423855, 3056165, 6025011, 7271565, 9168495, 10041685, 14058359, 30125055, 42175077, 70291795, 210875385]

約数ペア:

[(1, 210875385), (3, 70291795), (5, 42175077), (7, 30125055), (15, 14058359), (21, 10041685), (23, 9168495), (29, 7271565), (35, 6025011), (69, 3056165), (87, 2423855), (105, 2008337), (115, 1833699), (145, 1454313), (161, 1309785), (203, 1038795), (345, 611233), (435, 484771), (483, 436595), (609, 346265), (667, 316155), (805, 261957), (1015, 207759), (2001, 105385), (2415, 87319), (3011, 70035), (3045, 69253), (3335, 63231), (4669, 45165), (9033, 23345), (10005, 21077), (14007, 15055)]