380205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 808704

約数和(自身を除く): 428499

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 71, 85, 105, 119, 153, 213, 255, 315, 355, 357, 497, 595, 639, 765, 1065, 1071, 1207, 1491, 1785, 2485, 3195, 3621, 4473, 5355, 6035, 7455, 8449, 10863, 18105, 22365, 25347, 42245, 54315, 76041, 126735, 380205]

約数ペア:

[(1, 380205), (3, 126735), (5, 76041), (7, 54315), (9, 42245), (15, 25347), (17, 22365), (21, 18105), (35, 10863), (45, 8449), (51, 7455), (63, 6035), (71, 5355), (85, 4473), (105, 3621), (119, 3195), (153, 2485), (213, 1785), (255, 1491), (315, 1207), (355, 1071), (357, 1065), (497, 765), (595, 639)]