28147035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4001}}^1$

素因数の和:4083

約数の個数: 32

約数和(自身を含む): 52250112

約数和(自身を除く): 24103077

約数列:

[1, 3, 5, 7, 15, 21, 35, 67, 105, 201, 335, 469, 1005, 1407, 2345, 4001, 7035, 12003, 20005, 28007, 60015, 84021, 140035, 268067, 420105, 804201, 1340335, 1876469, 4021005, 5629407, 9382345, 28147035]

約数ペア:

[(1, 28147035), (3, 9382345), (5, 5629407), (7, 4021005), (15, 1876469), (21, 1340335), (35, 804201), (67, 420105), (105, 268067), (201, 140035), (335, 84021), (469, 60015), (1005, 28007), (1407, 20005), (2345, 12003), (4001, 7035)]