280528083

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30469}}^1$

素因数の和:30520

約数の個数: 32

約数和(自身を含む): 468019200

約数和(自身を除く): 187491117

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 3069, 9207, 30469, 91407, 274221, 335159, 822663, 944539, 1005477, 2833617, 3016431, 8500851, 9049293, 10389929, 25502553, 31169787, 93509361, 280528083]

約数ペア:

[(1, 280528083), (3, 93509361), (9, 31169787), (11, 25502553), (27, 10389929), (31, 9049293), (33, 8500851), (93, 3016431), (99, 2833617), (279, 1005477), (297, 944539), (341, 822663), (837, 335159), (1023, 274221), (3069, 91407), (9207, 30469)]