128224257

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 199987200

約数和(自身を除く): 71762943

約数列:

[1, 3, 7, 21, 61, 183, 199, 427, 503, 597, 1281, 1393, 1509, 3521, 4179, 10563, 12139, 30683, 36417, 84973, 92049, 100097, 214781, 254919, 300291, 644343, 700679, 2102037, 6105917, 18317751, 42741419, 128224257]

約数ペア:

[(1, 128224257), (3, 42741419), (7, 18317751), (21, 6105917), (61, 2102037), (183, 700679), (199, 644343), (427, 300291), (503, 254919), (597, 214781), (1281, 100097), (1393, 92049), (1509, 84973), (3521, 36417), (4179, 30683), (10563, 12139)]