28076685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 56297472

約数和(自身を除く): 28220787

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 67, 91, 105, 195, 201, 273, 307, 335, 455, 469, 871, 921, 1005, 1365, 1407, 1535, 2149, 2345, 2613, 3991, 4355, 4605, 6097, 6447, 7035, 10745, 11973, 13065, 18291, 19955, 20569, 27937, 30485, 32235, 59865, 61707, 83811, 91455, 102845, 139685, 143983, 267397, 308535, 419055, 431949, 719915, 802191, 1336985, 1871779, 2159745, 4010955, 5615337, 9358895, 28076685]

約数ペア:

[(1, 28076685), (3, 9358895), (5, 5615337), (7, 4010955), (13, 2159745), (15, 1871779), (21, 1336985), (35, 802191), (39, 719915), (65, 431949), (67, 419055), (91, 308535), (105, 267397), (195, 143983), (201, 139685), (273, 102845), (307, 91455), (335, 83811), (455, 61707), (469, 59865), (871, 32235), (921, 30485), (1005, 27937), (1365, 20569), (1407, 19955), (1535, 18291), (2149, 13065), (2345, 11973), (2613, 10745), (3991, 7035), (4355, 6447), (4605, 6097)]