18090975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 36211968

約数和(自身を除く): 18120993

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2027, 2975, 6081, 8925, 10135, 14189, 30405, 34459, 42567, 50675, 70945, 103377, 152025, 172295, 212835, 241213, 354725, 516885, 723639, 861475, 1064175, 1206065, 2584425, 3618195, 6030325, 18090975]

約数ペア:

[(1, 18090975), (3, 6030325), (5, 3618195), (7, 2584425), (15, 1206065), (17, 1064175), (21, 861475), (25, 723639), (35, 516885), (51, 354725), (75, 241213), (85, 212835), (105, 172295), (119, 152025), (175, 103377), (255, 70945), (357, 50675), (425, 42567), (525, 34459), (595, 30405), (1275, 14189), (1785, 10135), (2027, 8925), (2975, 6081)]